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Deborah O'Connor

Address555 University Avenue
Toronto ON M5G 1X8
Phone416-813-1500
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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    1. Pitino MA, Alashmali SM, Hopperton KE, Unger S, Pouliot Y, Doyen A, O'Connor DL, Bazinet RP. Oxylipin concentration, but not fatty acid composition, is altered in human donor milk pasteurized using both thermal and non-thermal techniques. Br J Nutr. 2019 Apr 22; 1-21. PMID: 31006410.
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    2. Pitino MA, Unger S, Doyen A, Pouliot Y, Aufreiter S, Stone D, Kiss A, O'Connor DL. High Hydrostatic Pressure Processing Better Preserves the Nutrient and Bioactive Compound Composition of Human Donor Milk. J Nutr. 2019 Mar 01; 149(3):497-504. PMID: 30770541.
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    3. Pitino MA, Stone D, O'Connor DL, Unger S. Is Frozen Human Milk That Is Refused by Mother's Own Infant Suitable for Human Milk Bank Donation? Breastfeed Med. 2019 May; 14(4):271-275. PMID: 30789295.
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    4. Lamers Y, MacFarlane AJ, O'Connor DL, Fontaine-Bisson B. Periconceptional intake of folic acid among low-risk women in Canada: summary of a workshop aiming to align prenatal folic acid supplement composition with current expert guidelines. Am J Clin Nutr. 2018 Dec 01; 108(6):1357-1368. PMID: 30541097.
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    5. Francis J, Unger S, Bando N, Vance A, Gibbins S, Kiss A, Church P, Sellen D, O'Connor DL. Postdischarge Feeding of Very-low-birth-weight Infants: Adherence to Nutrition Guidelines. J Pediatr Gastroenterol Nutr. 2018 Sep; 67(3):401-408. PMID: 29901548.
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    6. Castro M, Asbury M, Shama S, Stone D, Yoon EW, O'Connor DL, Unger S. Energy and Fat Intake for Preterm Infants Fed Donor Milk Is Significantly Impacted by Enteral Feeding Method. JPEN J Parenter Enteral Nutr. 2019 Jan; 43(1):162-165. PMID: 30070721.
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    7. Chan YM, Aufreiter S, O'Keefe SJ, O'Connor DL. Switching to a fibre-rich and low-fat diet increases colonic folate contents among African Americans. Appl Physiol Nutr Metab. 2019 Feb; 44(2):127-132. PMID: 29996064.
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    8. O'Connor DL, Kiss A, Tomlinson C, Bando N, Bayliss A, Campbell DM, Daneman A, Francis J, Kotsopoulos K, Shah PS, Vaz S, Williams B, Unger S. Nutrient enrichment of human milk with human and bovine milk-based fortifiers for infants born weighing <1250 g: a randomized clinical trial. Am J Clin Nutr. 2018 Jul 01; 108(1):108-116. PMID: 29878061.
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    9. Omand JA, To T, O'Connor DL, Parkin PC, Birken CS, Thorpe KE, Maguire JL. 25-hydroxyvitamin D and health service utilization for asthma in early childhood. Pediatr Pulmonol. 2018 Aug; 53(8):1018-1026. PMID: 29905403.
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    10. Barzilay E, Moon A, Plumptre L, Masih SP, Sohn KJ, Visentin CE, Ly A, Malysheva O, Croxford R, Caudill MA, O'Connor DL, Kim YI, Berger H. Fetal one-carbon nutrient concentrations may be affected by gestational diabetes. Nutr Res. 2018 07; 55:57-64. PMID: 29914628.
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    11. Elmekkawi A, O'Connor DL, Stone D, Yoon EW, Larocque M, McGeer A, Unger S. Impact of Neonatal Intensive Care Unit Admission on Bacterial Colonization of Donated Human Milk. J Hum Lact. 2018 May; 34(2):350-354. PMID: 29584524.
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    12. Trang S, Zupancic JAF, Unger S, Kiss A, Bando N, Wong S, Gibbins S, O'Connor DL. Cost-Effectiveness of Supplemental Donor Milk Versus Formula for Very Low Birth Weight Infants. Pediatrics. 2018 03; 141(3). PMID: 29490909.
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    13. Butcher J, Unger S, Li J, Bando N, Romain G, Francis J, Mottawea W, Mack D, Stintzi A, O'Connor DL. Independent of Birth Mode or Gestational Age, Very-Low-Birth-Weight Infants Fed Their Mothers' Milk Rapidly Develop Personalized Microbiotas Low in Bifidobacterium. J Nutr. 2018 03 01; 148(3):326-335. PMID: 29546315.
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    14. LeMay-Nedjelski L, Copeland J, Wang PW, Butcher J, Unger S, Stintzi A, O'Connor DL. Methods and Strategies to Examine the Human Breastmilk Microbiome. Methods Mol Biol. 2018; 1849:63-86. PMID: 30298248.
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    15. Van Der Plas E, Erdman L, Nieman BJ, Weksberg R, Butcher DT, O'connor DL, Aufreiter S, Hitzler J, Guger SL, Schachar RJ, Ito S, Spiegler BJ. Characterizing neurocognitive late effects in childhood leukemia survivors using a combination of neuropsychological and cognitive neuroscience measures. Child Neuropsychol. 2018 Nov; 24(8):999-1014. PMID: 29017430.
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    16. Omand JA, To T, O'Connor DL, Parkin PC, Birken CS, Thorpe KE, Maguire JL. 25-Hydroxyvitamin D supplementation and health-service utilization for upper respiratory tract infection in young children. Public Health Nutr. 2017 Jul; 20(10):1816-1824. PMID: 28578751.
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    17. Plumptre L, Masih SP, Sohn KJ, Kim D, Visentin CE, Ly A, Berger H, Croxford R, O'Connor DL, Kim YI. Suboptimal maternal and cord plasma pyridoxal 5' phosphate concentrations are uncommon in a cohort of Canadian pregnant women and newborn infants. Matern Child Nutr. 2018 01; 14(1). PMID: 28544455.
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    18. Ng DVY, Unger S, Asbury M, Kiss A, Bishara R, Bando N, Tomlinson C, Gibbins S, O'Connor DL. Neonatal Morbidity Count Is Associated With a Reduced Likelihood of Achieving Recommendations for Protein, Lipid, and Energy in Very Low Birth Weight Infants: A Prospective Cohort Study. JPEN J Parenter Enteral Nutr. 2017 May 01; 148607117710441. PMID: 28537798.
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    19. Yetley EA, MacFarlane AJ, Greene-Finestone LS, Garza C, Ard JD, Atkinson SA, Bier DM, Carriquiry AL, Harlan WR, Hattis D, King JC, Krewski D, O'Connor DL, Prentice RL, Rodricks JV, Wells GA. Options for basing Dietary Reference Intakes (DRIs) on chronic disease endpoints: report from a joint US-/Canadian-sponsored working group. Am J Clin Nutr. 2017 01; 105(1):249S-285S. PMID: 27927637.
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    20. Vanderhout SM, Birken CS, Parkin PC, Lebovic G, Chen Y, O'Connor DL, Maguire JL. Relation between milk-fat percentage, vitamin D, and BMI z score in early childhood. Am J Clin Nutr. 2016 12; 104(6):1657-1664. PMID: 27852618.
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    21. O'Connor DL, Gibbins S, Kiss A, Bando N, Brennan-Donnan J, Ng E, Campbell DM, Vaz S, Fusch C, Asztalos E, Church P, Kelly E, Ly L, Daneman A, Unger S. Effect of Supplemental Donor Human Milk Compared With Preterm Formula on Neurodevelopment of Very Low-Birth-Weight Infants at 18 Months: A Randomized Clinical Trial. JAMA. 2016 11 08; 316(18):1897-1905. PMID: 27825008.
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    22. Ng DV, Brennan-Donnan J, Unger S, Bando N, Gibbins S, Nash A, Kiss A, O'Connor DL. How Close Are We to Achieving Energy and Nutrient Goals for Very Low Birth Weight Infants in the First Week? JPEN J Parenter Enteral Nutr. 2017 03; 41(3):500-506. PMID: 26160253.
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    23. Furlong KR, Anderson LN, Kang H, Lebovic G, Parkin PC, Maguire JL, O'Connor DL, Birken CS. BMI-for-Age and Weight-for-Length in Children 0 to 2 Years. Pediatrics. 2016 07; 138(1). PMID: 27343232.
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    24. O'Connor DL, Blake J, Bell R, Bowen A, Callum J, Fenton S, Gray-Donald K, Rossiter M, Adamo K, Brett K, Khatri N, Robinson N, Tumback L, Cheung A. Canadian Consensus on Female Nutrition: Adolescence, Reproduction, Menopause, and Beyond. J Obstet Gynaecol Can. 2016 06; 38(6):508-554.e18. PMID: 27368135.
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    25. Wiersma EC, O'Connor DL, Loiselle L, Hickman K, Heibein B, Hounam B, Mann J. Creating space for citizenship: The impact of group structure on validating the voices of people with dementia. Dementia (London). 2016 May; 15(3):414-33. PMID: 27170590.
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    26. Visentin CE, Masih SP, Plumptre L, Schroder TH, Sohn KJ, Ly A, Lausman AY, Berger H, Croxford R, Lamers Y, Kim YI, O'Connor DL. Low Serum Vitamin B-12 Concentrations Are Prevalent in a Cohort of Pregnant Canadian Women. J Nutr. 2016 05; 146(5):1035-42. PMID: 27075906.
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    27. DiLauro S, Unger S, Stone D, O'Connor DL. Human Milk for Ill and Medically Compromised Infants: Strategies and Ongoing Innovation. JPEN J Parenter Enteral Nutr. 2016 08; 40(6):768-82. PMID: 26903304.
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    28. Vanderhout SM, Birken CS, Parkin PC, Lebovic G, Chen Y, O'Connor DL, Maguire JL. Higher milk fat content is associated with higher 25-hydroxyvitamin D concentration in early childhood. Appl Physiol Nutr Metab. 2016 May; 41(5):516-21. PMID: 27138972.
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    29. Panczuk JK, Unger S, Francis J, Bando N, Kiss A, O'Connor DL. Introduction of Bovine-Based Nutrient Fortifier and Gastrointestinal Inflammation in Very Low Birth Weight Infants as Measured by Fecal Calprotectin. Breastfeed Med. 2016 Jan-Feb; 11(1):2-5. PMID: 26741236.
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    30. Chan YM, MacFarlane AJ, O'Connor DL. Modeling Demonstrates That Folic Acid Fortification of Whole-Wheat Flour Could Reduce the Prevalence of Folate Inadequacy in Canadian Whole-Wheat Consumers. J Nutr. 2015 Nov; 145(11):2622-9. PMID: 26423740.
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    31. Plumptre L, Masih SP, Ly A, Aufreiter S, Sohn KJ, Croxford R, Lausman AY, Berger H, O'Connor DL, Kim YI. High concentrations of folate and unmetabolized folic acid in a cohort of pregnant Canadian women and umbilical cord blood. Am J Clin Nutr. 2015 Oct; 102(4):848-57. PMID: 26269367.
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    32. Colapinto CK, O'Connor DL, Sampson M, Williams B, Tremblay MS. Systematic review of adverse health outcomes associated with high serum or red blood cell folate concentrations. J Public Health (Oxf). 2016 06; 38(2):e84-97. PMID: 26160024.
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    33. Colapinto CK, O'Connor DL, Dubois L, Tremblay MS. Prevalence and correlates of high red blood cell folate concentrations in the Canadian population using 3 proposed cut-offs. Appl Physiol Nutr Metab. 2015 Oct; 40(10):1025-30. PMID: 26319565.
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    34. Masih SP, Plumptre L, Ly A, Berger H, Lausman AY, Croxford R, Kim YI, O'Connor DL. Pregnant Canadian Women Achieve Recommended Intakes of One-Carbon Nutrients through Prenatal Supplementation but the Supplement Composition, Including Choline, Requires Reconsideration. J Nutr. 2015 Aug; 145(8):1824-34. PMID: 26063067.
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    35. Wilson RD, Wilson RD, Audibert F, Brock JA, Carroll J, Cartier L, Gagnon A, Johnson JA, Langlois S, Murphy-Kaulbeck L, Okun N, Pastuck M, Deb-Rinker P, Dodds L, Leon JA, Lowel HL, Luo W, MacFarlane A, McMillan R, Moore A, Mundle W, O'Connor D, Ray J, Van den Hof M. Pre-conception Folic Acid and Multivitamin Supplementation for the Primary and Secondary Prevention of Neural Tube Defects and Other Folic Acid-Sensitive Congenital Anomalies. J Obstet Gynaecol Can. 2015 Jun; 37(6):534-52. PMID: 26334606.
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    36. Visentin CE, Masih S, Plumptre L, Malysheva O, Nielsen DE, Sohn KJ, Ly A, Lausman AY, Berger H, Croxford R, El-Sohemy A, Caudill MA, O'Connor DL, Kim YI. Maternal Choline Status, but Not Fetal Genotype, Influences Cord Plasma Choline Metabolite Concentrations. J Nutr. 2015 Jul; 145(7):1491-7. PMID: 25972528.
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    37. O'Connor DL, Ewaschuk JB, Unger S. Human milk pasteurization: benefits and risks. Curr Opin Clin Nutr Metab Care. 2015 May; 18(3):269-75. PMID: 25769062.
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    38. Bornstein MH, Putnick DL, Gartstein MA, Hahn CS, Auestad N, O'Connor DL. Infant temperament: stability by age, gender, birth order, term status, and socioeconomic status. Child Dev. 2015 May-Jun; 86(3):844-63. PMID: 25865034.
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    39. Kocel SL, Russell J, O'Connor DL. Fat-Modified Breast Milk Resolves Chylous Pleural Effusion in Infants With Postsurgical Chylothorax but Is Associated With Slow Growth. JPEN J Parenter Enteral Nutr. 2016 05; 40(4):543-51. PMID: 25560680.
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    40. Fayyaz F, Wang F, Jacobs RL, O'Connor DL, Bell RC, Field CJ. Folate, vitamin B12, and vitamin B6 status of a group of high socioeconomic status women in the Alberta Pregnancy Outcomes and Nutrition (APrON) cohort. Appl Physiol Nutr Metab. 2014 Dec; 39(12):1402-8. PMID: 25386981.
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    41. Unger S, Stintzi A, Shah P, Mack D, O'Connor DL. Gut microbiota of the very-low-birth-weight infant. Pediatr Res. 2015 Jan; 77(1-2):205-13. PMID: 25310760.
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    42. Colapinto CK, Tremblay MS, Aufreiter S, Bushnik T, Pfeiffer CM, O'Connor DL. The direction of the difference between Canadian and American erythrocyte folate concentrations is dependent on the assay method employed: a comparison of the Canadian Health Measures Survey and National Health and Nutrition Examination Survey. Br J Nutr. 2014 Dec 14; 112(11):1873-81. PMID: 25296277.
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    43. Shere M, Nguyen P, Tam C, Stern S, Kapur B, O'Connor DL, Koren G. Pregnancy-induced changes in the long-term pharmacokinetics of 1.1?mg vs. 5?mg folic acid: a randomized clinical trial. J Clin Pharmacol. 2015 Feb; 55(2):159-67. PMID: 25167960.
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    44. Lakoff A, Fazili Z, Aufreiter S, Pfeiffer CM, Connolly B, Gregory JF, Pencharz PB, O'Connor DL. Folate is absorbed across the human colon: evidence by using enteric-coated caplets containing 13C-labeled [6S]-5-formyltetrahydrofolate. Am J Clin Nutr. 2014 Nov; 100(5):1278-86. PMID: 25332326.
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    45. Kassierer MY, O'Connor DL, Rutherford E, Rolnitzky A, Unger S. Implications for observant Jewish families in the provision of mother's own and donor milk for their very low birth weight infant. J Hum Lact. 2014 Nov; 30(4):402-4. PMID: 25092199.
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    46. Hartman BA, Fazili Z, Pfeiffer CM, O'Connor DL. Neither folic acid supplementation nor pregnancy affects the distribution of folate forms in the red blood cells of women. J Nutr. 2014 Sep; 144(9):1364-9. PMID: 24991041.
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    47. Unger S, Gibbins S, Zupancic J, O'Connor DL. DoMINO: Donor milk for improved neurodevelopmental outcomes. BMC Pediatr. 2014 May 13; 14:123. PMID: 24884424.
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    48. Panczuk J, Unger S, O'Connor D, Lee SK. Human donor milk for the vulnerable infant: a Canadian perspective. Int Breastfeed J. 2014; 9:4. PMID: 24742283.
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    49. Ley SH, Hanley AJ, Sermer M, Zinman B, O'Connor DL. Lower dietary vitamin E intake during the second trimester is associated with insulin resistance and hyperglycemia later in pregnancy. Eur J Clin Nutr. 2013 Nov; 67(11):1154-6. PMID: 24065066.
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    50. O'Connor DL, Unger S. Post-discharge nutrition of the breastfed preterm infant. Semin Fetal Neonatal Med. 2013 Jun; 18(3):124-128. PMID: 23706724.
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    51. Lapillonne A, O'Connor DL, Wang D, Rigo J. Nutritional recommendations for the late-preterm infant and the preterm infant after hospital discharge. J Pediatr. 2013 Mar; 162(3 Suppl):S90-100. PMID: 23445854.
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    52. Chan YM, Bailey R, O'Connor DL. Folate. Adv Nutr. 2013 Jan 01; 4(1):123-5. PMID: 23319130.
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    53. Pichardo D, Luginbuehl IA, Shakur Y, Wales PW, El-Sohemy A, O'Connor DL. Effect of nitrous oxide exposure during surgery on the homocysteine concentrations of children. Anesthesiology. 2012 Jul; 117(1):15-21. PMID: 22584536.
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    54. Colapinto CK, O'Connor DL, Dubois L, Tremblay MS. Prevalence and correlates of folic acid supplement use in Canada. Health Rep. 2012 Jun; 23(2):39-44. PMID: 22866539.
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    55. Colapinto CK, O'Connor DL, Dubois L, Tremblay MS. Folic acid supplement use is the most significant predictor of folate concentrations in Canadian women of childbearing age. Appl Physiol Nutr Metab. 2012 Apr; 37(2):284-92. PMID: 22452580.
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    56. Ley SH, Hanley AJ, Sermer M, Zinman B, O'Connor DL. Associations of prenatal metabolic abnormalities with insulin and adiponectin concentrations in human milk. Am J Clin Nutr. 2012 Apr; 95(4):867-74. PMID: 22378730.
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    57. Tam C, O'Connor D, Koren G. Circulating unmetabolized folic Acid: relationship to folate status and effect of supplementation. Obstet Gynecol Int. 2012; 2012:485179. PMID: 22529856.
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    58. Shakur YA, Tarasuk V, Corey P, O'Connor DL. A comparison of micronutrient inadequacy and risk of high micronutrient intakes among vitamin and mineral supplement users and nonusers in Canada. J Nutr. 2012 Mar; 142(3):534-40. PMID: 22298574.
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    59. O'Connor DL, Weishuhn K, Rovet J, Mirabella G, Jefferies A, Campbell DM, Asztalos E, Feldman M, Whyte H, Westall C. Visual development of human milk-fed preterm infants provided with extra energy and nutrients after hospital discharge. JPEN J Parenter Enteral Nutr. 2012 May; 36(3):349-53. PMID: 22167077.
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    60. Ley SH, Hanley AJ, Retnakaran R, Sermer M, Zinman B, O'Connor DL. Effect of macronutrient intake during the second trimester on glucose metabolism later in pregnancy. Am J Clin Nutr. 2011 Nov; 94(5):1232-40. PMID: 21955650.
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    61. Ley SH, Hanley AJ, Stone D, O'Connor DL. Effects of pasteurization on adiponectin and insulin concentrations in donor human milk. Pediatr Res. 2011 Sep; 70(3):278-81. PMID: 21587097.
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    62. Nash A, Dunn M, Asztalos E, Corey M, Mulvihill-Jory B, O'Connor DL. Pattern of growth of very low birth weight preterm infants, assessed using the WHO Growth Standards, is associated with neurodevelopment. Appl Physiol Nutr Metab. 2011 Aug; 36(4):562-9. PMID: 21854163.
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    63. Ewaschuk JB, Unger S, Harvey S, O'Connor DL, Field CJ. Effect of pasteurization on immune components of milk: implications for feeding preterm infants. Appl Physiol Nutr Metab. 2011 Apr; 36(2):175-82. PMID: 21609278.
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    64. Weinmann A, Post M, Pan J, Rafi M, O'Connor DL, Unger S, Pencharz P, Belik J. Tetrahydrobiopterin is present in high quantity in human milk and has a vasorelaxing effect on newborn rat mesenteric arteries. Pediatr Res. 2011 Apr; 69(4):325-9. PMID: 21178821.
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    65. Ewaschuk JB, Unger S, O'Connor DL, Stone D, Harvey S, Clandinin MT, Field CJ. Effect of pasteurization on selected immune components of donated human breast milk. J Perinatol. 2011 Sep; 31(9):593-8. PMID: 21330996.
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    66. Maguire JL, Birken CS, O'Connor DL, Macarthur C, Thorpe KE, Mamdani M, Parkin PC. Prevalence and predictors of low vitamin D concentrations in urban Canadian toddlers. Paediatr Child Health. 2011 Feb; 16(2):e11-5. PMID: 22294872.
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    67. Aufreiter S, Kim JH, O'Connor DL. Dietary oligosaccharides increase colonic weight and the amount but not concentration of bacterially synthesized folate in the colon of piglets. J Nutr. 2011 Mar; 141(3):366-72. PMID: 21270368.
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    68. Colapinto CK, O'Connor DL, Tremblay MS. Folate status of the population in the Canadian Health Measures Survey. CMAJ. 2011 Feb 08; 183(2):E100-6. PMID: 21149516.
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    69. Grant SM, Wolever TM, O'Connor DL, Nisenbaum R, Josse RG. Effect of a low glycaemic index diet on blood glucose in women with gestational hyperglycaemia. Diabetes Res Clin Pract. 2011 Jan; 91(1):15-22. PMID: 21094553.
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    70. Ley SH, O'Connor DL, Retnakaran R, Hamilton JK, Sermer M, Zinman B, Hanley AJ. Impact of maternal metabolic abnormalities in pregnancy on human milk and subsequent infant metabolic development: methodology and design. BMC Public Health. 2010 Oct 06; 10:590. PMID: 20925937.
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    71. Shakur YA, Garriguet D, Corey P, O'Connor DL. Folic acid fortification above mandated levels results in a low prevalence of folate inadequacy among Canadians. Am J Clin Nutr. 2010 Oct; 92(4):818-25. PMID: 20739423.
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    72. Tactacan GB, Jing M, Thiessen S, Rodriguez-Lecompte JC, O'Connor DL, Guenter W, House JD. Characterization of folate-dependent enzymes and indices of folate status in laying hens supplemented with folic acid or 5-methyltetrahydrofolate. Poult Sci. 2010 Apr; 89(4):688-96. PMID: 20308400.
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    73. Obadia M, Rakhshani N, Jeffery AS, Chahal N, Sangha G, McCrindle BW, O'Connor DL, Maccarone T, Hamilton JK. MEALTRAIN: what do inpatient hospitalized children choose to eat? J Pediatr. 2010 Apr; 156(4):685-6. PMID: 20138307.
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    74. Aimone AM, Connolly B, Chaudhary S, Lugtu-Pe J, Martinuzzi F, Pencharz P, O'Connor DL. A combination of pH-sensitive caplet coatings may be an effective noninvasive strategy to deliver bioactive substances, nutrients, or their precursors to the colon. Appl Physiol Nutr Metab. 2009 Oct; 34(5):893-900. PMID: 19935851.
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    75. Aimone A, Rovet J, Ward W, Jefferies A, Campbell DM, Asztalos E, Feldman M, Vaughan J, Westall C, Whyte H, O'Connor DL. Growth and body composition of human milk-fed premature infants provided with extra energy and nutrients early after hospital discharge: 1-year follow-up. J Pediatr Gastroenterol Nutr. 2009 Oct; 49(4):456-66. PMID: 19633578.
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    76. Khambalia AZ, O'Connor DL, Macarthur C, Dupuis A, Zlotkin SH. Periconceptional iron supplementation does not reduce anemia or improve iron status among pregnant women in rural Bangladesh. Am J Clin Nutr. 2009 Nov; 90(5):1295-302. PMID: 19793860.
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    77. O'Keefe SJ, Ou J, Aufreiter S, O'Connor D, Sharma S, Sepulveda J, Fukuwatari T, Shibata K, Mawhinney T. Products of the colonic microbiota mediate the effects of diet on colon cancer risk. J Nutr. 2009 Nov; 139(11):2044-8. PMID: 19741203.
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    78. Hartman-Craven B, Christofides A, O'Connor DL, Zlotkin S. Relative bioavailability of iron and folic acid from a new powdered supplement compared to a traditional tablet in pregnant women. BMC Pregnancy Childbirth. 2009 Jul 27; 9:33. PMID: 19635145.
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    79. Shakur YA, Rogenstein C, Hartman-Craven B, Tarasuk V, O'Connor DL. How much folate is in Canadian fortified products 10 years after mandated fortification? Can J Public Health. 2009 Jul-Aug; 100(4):281-4. PMID: 19722341.
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    80. Tam C, McKenna K, Goh YI, Klieger-Grossman C, O'Connor DL, Einarson A, Koren G. Periconceptional folic acid supplementation: a new indication for therapeutic drug monitoring. Ther Drug Monit. 2009 Jun; 31(3):319-26. PMID: 19349928.
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    81. Aufreiter S, Gregory JF, Pfeiffer CM, Fazili Z, Kim YI, Marcon N, Kamalaporn P, Pencharz PB, O'Connor DL. Folate is absorbed across the colon of adults: evidence from cecal infusion of (13)C-labeled [6S]-5-formyltetrahydrofolic acid. Am J Clin Nutr. 2009 Jul; 90(1):116-23. PMID: 19439459.
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    82. Khambalia A, O'Connor DL, Zlotkin S. Periconceptional iron and folate status is inadequate among married, nulliparous women in rural Bangladesh. J Nutr. 2009 Jun; 139(6):1179-84. PMID: 19403710.
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    83. O'Connor D, Hall MI, Donnelly M. Assessing capacity within a context of abuse or neglect. J Elder Abuse Negl. 2009 Apr; 21(2):156-69. PMID: 19347716.
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    84. Nguyen P, Tam C, O'Connor DL, Kapur B, Koren G. Steady state folate concentrations achieved with 5 compared with 1.1 mg folic acid supplementation among women of childbearing age. Am J Clin Nutr. 2009 Mar; 89(3):844-52. PMID: 19158211.
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    85. Houghton LA, Yang J, O'Connor DL. Unmetabolized folic acid and total folate concentrations in breast milk are unaffected by low-dose folate supplements. Am J Clin Nutr. 2009 Jan; 89(1):216-20. PMID: 19056550.
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    86. Nguyen P, Nava-Ocampo A, Levy A, O'Connor DL, Einarson TR, Taddio A, Koren G. Effect of iron content on the tolerability of prenatal multivitamins in pregnancy. BMC Pregnancy Childbirth. 2008 May 15; 8:17. PMID: 18482454.
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    87. O'Connor DL, Khan S, Weishuhn K, Vaughan J, Jefferies A, Campbell DM, Asztalos E, Feldman M, Rovet J, Westall C, Whyte H. Growth and nutrient intakes of human milk-fed preterm infants provided with extra energy and nutrients after hospital discharge. Pediatrics. 2008 Apr; 121(4):766-76. PMID: 18381542.
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    88. Nash A, Secker D, Corey M, Dunn M, O'Connor DL. Field testing of the 2006 World Health Organization growth charts from birth to 2 years: assessment of hospital undernutrition and overnutrition rates and the usefulness of BMI. JPEN J Parenter Enteral Nutr. 2008 Mar-Apr; 32(2):145-53. PMID: 18407907.
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    89. Lenati RF, O'Connor DL, H├ębert KC, Farber JM, Pagotto FJ. Growth and survival of Enterobacter sakazakii in human breast milk with and without fortifiers as compared to powdered infant formula. Int J Food Microbiol. 2008 Feb 29; 122(1-2):171-9. PMID: 18207600.
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    90. Houghton LA, Sherwood KL, O'Connor DL. How well do blood folate concentrations predict dietary folate intakes in a sample of Canadian lactating women exposed to high levels of folate? An observational study. BMC Pregnancy Childbirth. 2007 Oct 25; 7:25. PMID: 17961229.
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    91. Lindzon G, O'Connor DL. Folate during reproduction: the Canadian experience with folic acid fortification. Nutr Res Pract. 2007; 1(3):163-74. PMID: 20368933.
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    92. Sherwood KL, Houghton LA, Tarasuk V, O'Connor DL. One-third of pregnant and lactating women may not be meeting their folate requirements from diet alone based on mandated levels of folic acid fortification. J Nutr. 2006 Nov; 136(11):2820-6. PMID: 17056807.
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    93. Khambalia A, Latulippe ME, Campos C, Merlos C, Villalpando S, Picciano MF, O'connor DL. Milk folate secretion is not impaired during iron deficiency in humans. J Nutr. 2006 Oct; 136(10):2617-24. PMID: 16988136.
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    94. Houghton LA, Sherwood KL, Pawlosky R, Ito S, O'Connor DL. [6S]-5-Methyltetrahydrofolate is at least as effective as folic acid in preventing a decline in blood folate concentrations during lactation. Am J Clin Nutr. 2006 Apr; 83(4):842-50. PMID: 16600937.
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    95. Asrar FM, O'Connor DL. Bacterially synthesized folate and supplemental folic acid are absorbed across the large intestine of piglets. J Nutr Biochem. 2005 Oct; 16(10):587-93. PMID: 16081276.
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    96. Nash A, Corey M, Sherwood K, Secker D, Saab J, O'Connor DL. Growth assessment in infants and toddlers using three different reference charts. J Pediatr Gastroenterol Nutr. 2005 Mar; 40(3):283-8. PMID: 15735481.
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    97. Groh-Wargo S, Jacobs J, Auestad N, O'Connor DL, Moore JJ, Lerner E. Body composition in preterm infants who are fed long-chain polyunsaturated fatty acids: a prospective, randomized, controlled trial. Pediatr Res. 2005 May; 57(5 Pt 1):712-8. PMID: 15718356.
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    98. O'Connor DL, Latulippe ME, Campos C, Merlos C, Villalpando S, Picciano MF. Folate deficiency does not alter the usefulness of the serum transferrin receptor concentration as an index for the detection of iron deficiency in mexican women during early lactation. J Nutr. 2005 Jan; 135(1):144-9. PMID: 15623846.
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    99. Kim TH, Yang J, Darling PB, O'Connor DL. A large pool of available folate exists in the large intestine of human infants and piglets. J Nutr. 2004 Jun; 134(6):1389-94. PMID: 15173401.
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    100. O'Connor DL, Jacobs J, Hall R, Adamkin D, Auestad N, Castillo M, Connor WE, Connor SL, Fitzgerald K, Groh-Wargo S, Hartmann EE, Janowsky J, Lucas A, Margeson D, Mena P, Neuringer M, Ross G, Singer L, Stephenson T, Szabo J, Zemon V. Growth and development of premature infants fed predominantly human milk, predominantly premature infant formula, or a combination of human milk and premature formula. J Pediatr Gastroenterol Nutr. 2003 Oct; 37(4):437-46. PMID: 14508214.
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    101. Villalpando S, Latulippe ME, Rosas G, Irurita MJ, Picciano MF, O'Connor DL. Milk folate but not milk iron concentrations may be inadequate for some infants in a rural farming community in San Mateo, Capulhuac, Mexico. Am J Clin Nutr. 2003 Oct; 78(4):782-9. PMID: 14522737.
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    102. O'Connor DL. Four years after enhanced folic acid fortification of the Canadian food supply--how are we doing? Can J Public Health. 2002 Jul-Aug; 93(4):245-8. PMID: 12154523.
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    103. O'Connor DL, Hall R, Adamkin D, Auestad N, Castillo M, Connor WE, Connor SL, Fitzgerald K, Groh-Wargo S, Hartmann EE, Jacobs J, Janowsky J, Lucas A, Margeson D, Mena P, Neuringer M, Nesin M, Singer L, Stephenson T, Szabo J, Zemon V. Growth and development in preterm infants fed long-chain polyunsaturated fatty acids: a prospective, randomized controlled trial. Pediatrics. 2001 Aug; 108(2):359-71. PMID: 11483801.
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    104. Goodwin RA, Buchholz AC, McKim MK, Stuart B, O'Connor DL. Caregiving arrangement and nutrition: good news with some reservations. Can J Public Health. 1999 Jan-Feb; 90(1):45-51. PMID: 10910566.
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    105. Green TJ, Allen OB, O'Connor DL. A three-day weighed food record and a semiquantitative food-frequency questionnaire are valid measures for assessing the folate and vitamin B-12 intakes of women aged 16 to 19 years. J Nutr. 1998 Oct; 128(10):1665-71. PMID: 9772134.
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    106. Green TJ, Houghton LA, Donovan U, Gibson RS, O'Connor DL. Oral contraceptives did not affect biochemical folate indexes and homocysteine concentrations in adolescent females. J Am Diet Assoc. 1998 Jan; 98(1):49-55. PMID: 9434651.
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    107. Houghton LA, Green TJ, Donovan UM, Gibson RS, Stephen AM, O'Connor DL. Association between dietary fiber intake and the folate status of a group of female adolescents. Am J Clin Nutr. 1997 Dec; 66(6):1414-21. PMID: 9394694.
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    108. O'Connor DL, Green T, Picciano MF. Maternal folate status and lactation. J Mammary Gland Biol Neoplasia. 1997 Jul; 2(3):279-89. PMID: 10882311.
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    109. Krause LJ, Forsberg CW, O'Connor DL. Feeding human milk to rats increases Bifidobacterium in the cecum and colon which correlates with enhanced folate status. J Nutr. 1996 May; 126(5):1505-11. PMID: 8618150.
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    110. Keizer SE, Gibson RS, O'Connor DL. Postpartum folic acid supplementation of adolescents: impact on maternal folate and zinc status and milk composition. Am J Clin Nutr. 1995 Aug; 62(2):377-84. PMID: 7625346.
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    111. Gadowsky SL, Gale K, Wolfe SA, Jory J, Gibson R, O'Connor DL. Biochemical folate, B12, and iron status of a group of pregnant adolescents accessed through the public health system in southern Ontario. J Adolesc Health. 1995 Jun; 16(6):465-74. PMID: 7669797.
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    112. Semchuk GM, Allen OB, O'Connor DL. Folate bioavailability from milk-containing diets is affected by altered intestinal biosynthesis of folate in rats. J Nutr. 1994 Jul; 124(7):1118-25. PMID: 8027864.
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    113. Wolfe SA, Gibson RS, Gadowsky SL, O'Connor DL. Zinc status of a group of pregnant adolescents at 36 weeks gestation living in southern Ontario. J Am Coll Nutr. 1994 Apr; 13(2):154-64. PMID: 8006297.
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    114. O'Connor DL. Folate status during pregnancy and lactation. Adv Exp Med Biol. 1994; 352:157-72. PMID: 7832045.
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    115. O'Connor DL, Moriarty P, Picciano MF. The impact of iron deficiency on the flux of folates within the mammary gland. Int J Vitam Nutr Res. 1992; 62(2):173-80. PMID: 1517041.
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    116. O'Connor DL, Tamura T, Picciano MF. Pteroylpolyglutamates in human milk. Am J Clin Nutr. 1991 Apr; 53(4):930-4. PMID: 1901195.
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    117. O'Connor DL. Interaction of iron and folate during reproduction. Prog Food Nutr Sci. 1991; 15(4):231-54. PMID: 1784737.
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    118. O'Connor DL, Picciano MF, Tamura T, Shane B. Impaired milk folate secretion is not corrected by supplemental folate during iron deficiency in rats. J Nutr. 1990 May; 120(5):499-506. PMID: 2341914.
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    119. Swiatlo N, O'Connor DL, Andrews J, Picciano MF. Relative folate bioavailability from diets containing human, bovine and goat milk. J Nutr. 1990 Feb; 120(2):172-7. PMID: 2313380.
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    120. O'Connor DL, Picciano MF, Roos MA, Easter RA. Iron and folate utilization in reproducing swine and their progeny. J Nutr. 1989 Dec; 119(12):1984-91. PMID: 2621491.
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    121. O'Connor DL, Picciano MF, Sherman AR. Impact of maternal iron deficiency on quality and quantity of milk ingested by neonatal rats. Br J Nutr. 1988 Nov; 60(3):477-85. PMID: 3219319.
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    122. O'Connor DL, Picciano MF, Sherman AR, Burgert SL. Depressed folate incorporation into milk secondary to iron deficiency in the rat. J Nutr. 1987 Oct; 117(10):1715-20. PMID: 3668685.
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