Letter: Birth defects and oral contraceptives.
D000014:Abnormalities, Drug-Induced; D000015:Abnormalities, Multiple / Q000139:chemically induced / Q000209:etiology* / Q000235:genetics; D000328:Adult; D002675:Child, Preschool; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D011247:Pregnancy; D013577:Syndrome
D003276:Contraceptives, Oral