1)一瀬沙織,他:ヒト血漿中の葉酸関連化合物のLC-MS分析.日本分析化学会講演要旨集57巻,p317,2008
2)伊佐保香,他:妊娠初期のホモシスティン濃度と妊娠合併症.ビタミン87(5・6):277-279, 2013
3)厚生省通達・児母第72号,健医地生発第78号:神経管閉鎖障害の発症リスク低減のための妊娠可能な年齢の女性等に対する葉酸の摂取に係る適切な情報提供の推進について.平成12年12月28日 http://www1.mhlw.go.jp/houdou/1212/h1228-1_18.html
4)近藤厚生,他:妊婦ライフスタイルの変遷と二分脊椎の発生リスク.日泌尿会誌104(4):598-604, 2013
5)Yila TA, et al:Effects of Maternal 5,10-Methylenetetrahydrofolate Reductase C677T and A1298C Polymorphisms and Tobacco Smoking on Infant Birth Weight in a Japanese Population. J Epidemiol 22(2):91-102, 2012
:Laboratory Tests for the Assessment of Nutritional Status, Second Edition ed, CRC Press, Washington DC, 1999, pp103-134
7)Yila TA, et al:Predictors of folate status among pregnant Japanese women:the Hokkaido Study on Environment and Children's Health, 2002-2012. British Journal of Nutrition, 2016(in press)
8)International Clearinghouse for Birth Defects Surveillance and Research(ICBDSR):ANNUAL REPORT 2013, pp126-132 http://www.icbdsr.org/filebank/documents/ar2005/Report2013.pdf
9)Smithells RW, et al:Vitamin deficiencies and neural tube defects. Arch Dis Child 51(12):944-950, 1976
10)Smithells RW, et al:Apparent prevention of neural tube defects by periconceptional vitamin supplementation. Arch Dis Child 56(12):911-918, 1981
11)Wald N, et al:Prevention of neural tube defects:Results of the Medical Research Council Vitamin Study. Lancet 338:131-137, 1991
12)Czeizel AE & Dudás I:Prevention of the first occurrence of neural-tube defects by periconceptional vitamin supplementation. N Engl J Med 327(26):1832-1835, 1992
13)Berry RJ, et al:Prevention of neural-tube defects with folic acid in China. N Engl J Med 341(24):1485-1490, 1999
14)De-Regil LM, et al:Effects and safety of periconceptional oral folate supplementation for preventing birth defects(Review). The Cochrane Library 2015, Issue 12. http://www.thecochranelibrary.com
15)Kondo A, et al:Changes in Life Styles of Pregnant Women and Risks for Having a Pregnancy Afflicted with Spina Bifida. The Japanese Journal of Urology 104(4):598-604, 2013
16)Campbell DE, et al:Mechanisms of allergic disease-environmental and genetic determinants for the development of allergy. Clin Exp Allergy 45(5):844-858, 2015
17)Hollingsworth JW, et al:In utero supplementation with methyl donors enhances allergic airway disease in mice. J Clin Invest 118(10):3462-3469, 2008