We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleNeural tube defects in relation to use of folic acid antagonists during pregnancy.AuthorsHernández-Díaz S; Werler MM; Walker AM; Mitchell AAPublicationAmerican journal of epidemiology, 2001, Vol 153, Issue 10, p961ISSN0002-9262Publication typearticleDOI10.1093/aje/153.10.961