title: Letter: Warfarin and fetal abnormality.
mesh_terms: D000014:Abnormalities, Drug-Induced / Q000209:etiology*; D005260:Female; D005865:Gestational Age; D006801:Humans; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D013997:Time Factors; D014859:Warfarin / Q000009:adverse effects*
chemical_list: D014859:Warfarin