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Date: 2007-02-14 11:15:14B vitamins Dietary supplements Alcohols Folic acid Birth control Levomefolic acid Folate deficiency Neural tube defect Vitamin B12 Nutrition Chemistry Medicine | Microsoft Word - folex.docAdd to Reading ListSource URL: www-users.york.ac.ukDownload Document from Source WebsiteFile Size: 94,33 KBShare Document on Facebook |