We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleExposure to folic acid antagonists during the first trimester of pregnancy and the risk of major malformations.AuthorsMatok, Ilan; Gorodischer, Rafael; Koren, Gideon; Landau, Daniella; Wiznitzer, Arnon; Levy, AmaliaPublicationBritish Journal of Clinical Pharmacology, 2009, Vol 68, Issue 6, p956ISSN0306-5251Publication typearticleDOI10.1111/j.1365-2125.2009.03544.x