TY - JOUR PY - 1991 DA - 1991// TI - Prevention of neural tube defects: results of the Medical Research Council Vitamin Study JO - Lancet VL - 338 UR - https://doi.org/10.1016/0140-6736(91)90133-A DO - 10.1016/0140-6736(91)90133-A ID - ref1 ER - TY - JOUR AU - Berry, R. J. AU - Li, Z. AU - Erickson, J. D. AU - Li, S. AU - Moore, C. A. AU - Wang, H. AU - Mulinare, J. AU - Zhao, P. AU - Wong, L. Y. AU - Gindler, J. PY - 1999 DA - 1999// TI - Prevention of neural-tube defects with folic acid in China. China-U.S. Collaborative Project for Neural Tube Defect Prevention JO - N Engl J Med VL - 341 UR - https://doi.org/10.1056/NEJM199911113412001 DO - 10.1056/NEJM199911113412001 ID - Berry1999 ER - TY - JOUR AU - Czeizel, A. E. AU - Dudas, I. PY - 1992 DA - 1992// TI - Prevention of the first occurrence of neural-tube defects by periconceptional vitamin supplementation JO - N Engl J Med VL - 327 UR - https://doi.org/10.1056/NEJM199212243272602 DO - 10.1056/NEJM199212243272602 ID - Czeizel1992 ER - TY - JOUR AU - Kirke, P. N. AU - Daly, L. E. AU - Elwood, J. H. PY - 1992 DA - 1992// TI - A randomised trial of low dose folic acid to prevent neural tube defects. The Irish Vitamin Study Group JO - Arch Dis Child VL - 67 UR - https://doi.org/10.1136/adc.67.12.1442 DO - 10.1136/adc.67.12.1442 ID - Kirke1992 ER - TY - JOUR AU - Laurence, K. M. AU - James, N. AU - Miller, M. H. AU - Tennant, G. B. AU - Campbell, H. PY - 1981 DA - 1981// TI - Double-blind randomised controlled trial of folate treatment before conception to prevent recurrence of neural-tube defects JO - Br Med J (Clin Res Ed) VL - 282 UR - https://doi.org/10.1136/bmj.282.6275.1509 DO - 10.1136/bmj.282.6275.1509 ID - Laurence1981 ER - TY - JOUR AU - French, M. R. AU - Barr, S. I. AU - Levy-Milne, R. PY - 2003 DA - 2003// TI - Folate intakes and awareness of folate to prevent neural tube defects: a survey of women living in Vancouver, Canada JO - J Am Diet Assoc VL - 103 UR - https://doi.org/10.1053/jada.2003.50062 DO - 10.1053/jada.2003.50062 ID - French2003 ER - TY - JOUR AU - Liu, S. AU - West, R. AU - Randell, E. AU - Longerich, L. AU - O'Connor, K. S. AU - Scott, H. AU - Crowley, M. AU - Lam, A. AU - Prabhakaran, V. AU - McCourt, C. PY - 2004 DA - 2004// TI - A comprehensive evaluation of food fortification with folic acid for the primary prevention of neural tube defects JO - BMC Pregnancy Childbirth VL - 4 UR - https://doi.org/10.1186/1471-2393-4-20 DO - 10.1186/1471-2393-4-20 ID - Liu2004 ER - TY - JOUR AU - Morin, P. AU - De Wals, P. AU - St-Cyr-Tribble, D. AU - Niyonsenga, T. AU - Payette, H. PY - 2002 DA - 2002// TI - Pregnancy planning: a determinant of folic acid supplements use for the primary prevention of neural tube defects JO - Can J Public Health VL - 93 ID - Morin2002 ER - TY - JOUR AU - Morin, P. AU - De Wals, P. AU - Noiseux, M. AU - Niyonsenga, T. AU - St-Cyr-Tribble, D. AU - Tremblay, C. PY - 2002 DA - 2002// TI - Pregnancy planning and folic acid supplement use: results from a survey in Quebec JO - Prev Med VL - 35 UR - https://doi.org/10.1006/pmed.2002.1041 DO - 10.1006/pmed.2002.1041 ID - Morin2002 ER - TY - CHAP PY - 1998 DA - 1998// BT - Regulatory impact analysis statement, SOR/98-550 ID - ref10 ER - TY - JOUR AU - Persad, V. L. AU - Van den Hof, M. C. AU - Dube, J. M. AU - Zimmer, P. PY - 2002 DA - 2002// TI - Incidence of open neural tube defects in Nova Scotia after folic acid fortification JO - CMAJ VL - 167 ID - Persad2002 ER - TY - JOUR AU - Pfeiffer, C. M. AU - Caudill, S. P. AU - Gunter, E. W. AU - Osterloh, J. AU - Sampson, E. J. PY - 2005 DA - 2005// TI - Biochemical indicators of B vitamin status in the US population after folic acid fortification: results from the National Health and Nutrition Examination Survey 1999–2000 JO - Am J Clin Nutr VL - 82 ID - Pfeiffer2005 ER - TY - JOUR AU - Rader, J. I. AU - Schneeman, B. O. PY - 2006 DA - 2006// TI - Prevalence of neural tube defects, folate status, and folate fortification of enriched cereal-grain products in the United States JO - Pediatrics VL - 117 UR - https://doi.org/10.1542/peds.2005-2745 DO - 10.1542/peds.2005-2745 ID - Rader2006 ER - TY - JOUR AU - Ray , , , , ,, J. G. AU - Meier, C. AU - Vermeulen, M. J. AU - Boss, S. AU - Wyatt, P. R. AU - Cole, D. E. PY - 2002 DA - 2002// TI - Association of neural tube defects and folic acid food fortification in Canada JO - Lancet VL - 360 UR - https://doi.org/10.1016/S0140-6736(02)11994-5 DO - 10.1016/S0140-6736(02)11994-5 ID - Ray , , , , ,2002 ER - TY - JOUR AU - Houghton, L. A. AU - Sherwood, K. L. AU - Pawlosky, R. AU - Ito, S. AU - O'Connor, D. L. PY - 2006 DA - 2006// TI - [6S]-5-Methyltetrahydrofolate is at least as effective as folic acid in preventing a decline in blood folate concentrations during lactation JO - Am J Clin Nutr VL - 83 ID - Houghton2006 ER - TY - JOUR AU - Daly, L. E. AU - Kirke, P. N. AU - Molloy, A. AU - Weir, D. G. AU - Scott, J. M. PY - 1995 DA - 1995// TI - Folate levels and neural tube defects. Implications for prevention JO - JAMA VL - 274 UR - https://doi.org/10.1001/jama.1995.03530210052030 DO - 10.1001/jama.1995.03530210052030 ID - Daly1995 ER - TY - JOUR AU - Kirke, P. N. AU - Molloy, A. M. AU - Daly, L. E. AU - Burke, H. AU - Weir, D. G. AU - Scott, J. M. PY - 1993 DA - 1993// TI - Maternal plasma folate and vitamin B12 are independent risk factors for neural tube defects JO - Q J Med VL - 86 ID - Kirke1993 ER - TY - JOUR AU - Smithells, R. W. AU - Sheppard, S. AU - Schorah, C. J. PY - 1976 DA - 1976// TI - Vitamin deficiencies and neural tube defects JO - Arch Dis Child VL - 51 UR - https://doi.org/10.1136/adc.51.12.944 DO - 10.1136/adc.51.12.944 ID - Smithells1976 ER - TY - JOUR AU - van der Put, N. M. AU - van Straaten, H. W. AU - Trijbels, F. J. AU - Blom, H. J. PY - 2001 DA - 2001// TI - Folate, homocysteine and neural tube defects: an overview JO - Exp Biol Med (Maywood) VL - 226 ID - van der Put2001 ER - TY - CHAP AU - Gibson, R. S. PY - 2005 DA - 2005// TI - Assessment of folate and vitamin B12 status BT - Principles of Nutritional Assessment PB - Oxford University Press CY - New York ID - Gibson2005 ER - TY - JOUR AU - Guinotte, C. L. AU - Burns, M. G. AU - Axume, J. A. AU - Hata, H. AU - Urrutia, T. F. AU - Alamilla, A. AU - McCabe, D. AU - Singgih, A. AU - Cogger, E. A. AU - Caudill, M. A. PY - 2003 DA - 2003// TI - Methylenetetrahydrofolate reductase 677C-->T variant modulates folate status response to controlled folate intakes in young women JO - J Nutr VL - 133 ID - Guinotte2003 ER - TY - JOUR AU - Hung, J. AU - Yang, T. L. AU - Urrutia, T. F. AU - Li, R. AU - Perry, C. A. AU - Hata, H. AU - Cogger, E. A. AU - Moriarty, D. J. AU - Caudill, M. A. PY - 2006 DA - 2006// TI - Additional food folate derived exclusively from natural sources improves folate status in young women with the MTHFR 677 CC or TT genotype JO - J Nutr Biochem VL - 17 UR - https://doi.org/10.1016/j.jnutbio.2005.11.009 DO - 10.1016/j.jnutbio.2005.11.009 ID - Hung2006 ER - TY - JOUR AU - Perry, C. A. AU - Renna, S. A. AU - Khitun, E. AU - Ortiz, M. AU - Moriarty, D. J. AU - Caudill, M. A. PY - 2004 DA - 2004// TI - Ethnicity and race influence the folate status response to controlled folate intakes in young women JO - J Nutr VL - 134 ID - Perry2004 ER - TY - JOUR AU - Shelnutt, K. P. AU - Kauwell, G. P. AU - Chapman, C. M. AU - Gregory, J. F. AU - Maneval, D. R. AU - Browdy, A. A. AU - Theriaque, D. W. AU - Bailey, L. B. PY - 2003 DA - 2003// TI - Folate status response to controlled folate intake is affected by the methylenetetrahydrofolate reductase 677C-->T polymorphism in young women JO - J Nutr VL - 133 ID - Shelnutt2003 ER - TY - JOUR AU - Yang, T. L. AU - Hung, Y. AU - Caudill, M. A. AU - Urrutia, T. F. AU - Alamilla, A. AU - Perry, C. A. AU - Li, R. AU - Hata, H. AU - Cogger, E. A. PY - 2005 DA - 2005// TI - A long-term controlled folate feeding study in young women supports the validity of the 1.7 multiplier in the dietary folate equivalency equation JO - J Nutr VL - 135 ID - Yang2005 ER - TY - JOUR AU - Green, T. J. AU - Allen, O. B. AU - O'Connor, D. L. PY - 1998 DA - 1998// TI - 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 JO - J Nutr VL - 128 ID - Green1998 ER - TY - CHAP PY - 1998 DA - 1998// TI - Folate BT - Dietary reference intakes for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic acid, Biotin and Choline PB - The National Academy Press CY - Washington, DC ID - ref27 ER - TY - CHAP PY - 1998 DA - 1998// BT - Ethical conduct for research involving humans PB - Public Works and Government Services CY - Ottawa ID - ref28 ER - TY - JOUR AU - Molloy, A. M. AU - Scott, J. M. PY - 1997 DA - 1997// TI - Microbiological assay for serum, plasma, and red cell folate using cryopreserved, microtiter plate method JO - Methods Enzymol VL - 281 UR - https://doi.org/10.1016/S0076-6879(97)81007-5 DO - 10.1016/S0076-6879(97)81007-5 ID - Molloy1997 ER - TY - JOUR AU - Cole, D. E. AU - Lehotay, D. C. AU - Evrovski, J. PY - 1998 DA - 1998// TI - Simplified simultaneous assay of total plasma homocysteine and methionine by HPLC and pulsed integrated amperometry JO - Clin Chem VL - 44 ID - Cole1998 ER - TY - CHAP PY - 2001 DA - 2001// BT - Canadian Nutrient File (CNF) ID - ref31 ER - TY - CHAP PY - 2005 DA - 2005// BT - USDA National Nutrient Databse for Standard Reference ID - ref32 ER - TY - CHAP PY - 2006 DA - 2006// BT - Median total income, by family type, by province and territory. Version 4. August 2006 ID - ref33 ER - TY - CHAP AU - Herbert, V. ED - Picciano, M. F. ED - Stokstad, E. L. ED - Gregory, J. F. PY - 1990 DA - 1990// TI - Development of human folate deficiency BT - Folic acid metabolism in health and disease PB - Wiley CY - New York ID - Herbert1990 ER - TY - JOUR AU - Clifford, A. J. AU - Noceti, E. M. AU - Block-Joy, A. AU - Block, T. AU - Block, G. PY - 2004 DA - 2004// TI - Erythrocyte folate and its response to folic acid supplementation is assay dependent in women JO - J Nutr VL - 135 ID - Clifford2004 ER - TY - JOUR AU - Johnston, K. E. AU - Tamura, T. PY - 2004 DA - 2004// TI - Folate content in commercial white and whole wheat sandwich breads JO - J Agric Food Chem VL - 52 UR - https://doi.org/10.1021/jf0494736 DO - 10.1021/jf0494736 ID - Johnston2004 ER - TY - JOUR AU - Quinlivan, E. P. AU - Gregory, J. F. PY - 2003 DA - 2003// TI - Effect of food fortification on folic acid intake in the United States JO - Am J Clin Nutr VL - 77 ID - Quinlivan2003 ER - TY - JOUR AU - Rader, J. I. AU - Weaver, C. M. AU - Angyal, G. PY - 2000 DA - 2000// TI - Total folate in enriched cereal-grain products in the United States following fortification JO - Food Chem VL - 70 UR - https://doi.org/10.1016/S0308-8146(00)00116-3 DO - 10.1016/S0308-8146(00)00116-3 ID - Rader2000 ER - TY - JOUR AU - Han, Y. H. AU - Yon, M. AU - Hyun, T. H. PY - 2005 DA - 2005// TI - Folate intake estimated with an updated database and its association to blood folate and homocysteine in Korean college students JO - Eur J Clin Nutr VL - 59 UR - https://doi.org/10.1038/sj.ejcn.1602065 DO - 10.1038/sj.ejcn.1602065 ID - Han2005 ER - TY - JOUR AU - Sherwood, K. L. AU - Houghton, L. A. AU - Tarasuk, V. AU - O'Connor, D. L. PY - 2006 DA - 2006// TI - 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 JO - J Nutr VL - 136 ID - Sherwood2006 ER - TY - CHAP PY - 2004 DA - 2004// BT - Exclusive Breastfeeding Duration – 2004 Health Canada Recommendation ID - ref41 ER - TY - JOUR PY - 2005 DA - 2005// TI - Breastfeeding and the use of human milk JO - Pediatrics VL - 115 UR - https://doi.org/10.1542/peds.2004-2491 DO - 10.1542/peds.2004-2491 ID - ref42 ER - TY - JOUR AU - Becker, W. AU - Welten, D. PY - 2001 DA - 2001// TI - Under-reporting in dietary surveys – implications for development of food-based dietary guidelines JO - Public Health Nutr VL - 4 UR - https://doi.org/10.1079/PHN2001154 DO - 10.1079/PHN2001154 ID - Becker2001 ER - TY - JOUR AU - Bingham, S. A. AU - Cassidy, A. AU - Cole, T. J. AU - Welch, A. AU - Runswick, S. A. AU - Black, A. E. AU - Thurnham, D. AU - Bates, C. AU - Khaw, K. T. AU - Key, T. J. PY - 1995 DA - 1995// TI - Validation of weighed records and other methods of dietary assessment using the 24 h urine nitrogen technique and other biological markers JO - Br J Nutr VL - 73 UR - https://doi.org/10.1079/BJN19950057 DO - 10.1079/BJN19950057 ID - Bingham1995 ER - TY - JOUR AU - Black, A. E. AU - Cole, T. J. PY - 2001 DA - 2001// TI - Biased over- or under-reporting is characteristic of individuals whether over time or by different assessment methods JO - J Am Diet Assoc VL - 101 UR - https://doi.org/10.1016/S0002-8223(01)00018-9 DO - 10.1016/S0002-8223(01)00018-9 ID - Black2001 ER - TY - JOUR AU - Lin, Y. AU - Dueker, S. R. AU - Follett, J. R. AU - Fadel, J. G. AU - Arjomand, A. AU - Schneider, P. D. AU - Miller, J. W. AU - Green, R. AU - Buchholz, B. A. AU - Vogel, J. S. PY - 2004 DA - 2004// TI - Quantitation of in vivo human folate metabolism JO - Am J Clin Nutr VL - 80 ID - Lin2004 ER - TY - JOUR AU - Suh, J. R. AU - Herbig, A. K. AU - Stover, P. J. PY - 2001 DA - 2001// TI - New perspectives on folate catabolism JO - Annu Rev Nutr VL - 21 UR - https://doi.org/10.1146/annurev.nutr.21.1.255 DO - 10.1146/annurev.nutr.21.1.255 ID - Suh2001 ER - TY - STD TI - The pre-publication history for this paper can be accessed here:http://www.biomedcentral.com/1471-2393/7/25/prepub UR - http://www.biomedcentral.com/1471-2393/7/25/prepub ID - ref48 ER -