title: Folic acid deficiency and congenital malformation.
mesh_terms: D000014:Abnormalities, Drug-Induced / Q000209:etiology; D001463:Barbiturates / Q000009:adverse effects; D000013:Congenital Abnormalities / Q000209:etiology* / Q000517:prevention & control; D005260:Female; D005492:Folic Acid / Q000097:blood / Q000627:therapeutic use; D005493:Folic Acid Antagonists / Q000009:adverse effects; D005494:Folic Acid Deficiency / Q000150:complications*; D005865:Gestational Age; D006801:Humans; D006827:Hydantoins / Q000009:adverse effects; D011247:Pregnancy; D011250:Pregnancy Complications, Hematologic / Q000188:drug therapy
chemical_list: D001463:Barbiturates; D005493:Folic Acid Antagonists; D006827:Hydantoins; D005492:Folic Acid