title: Impairment of human drug metabolism by oral contraceptive steroids.
mesh_terms: D000284:Administration, Oral; D000293:Adolescent; D000328:Adult; D000983:Antipyrine / Q000008:administration & dosage / Q000097:blood* / Q000378:metabolism; D003276:Contraceptives, Oral / Q000494:pharmacology*; D003864:Depression, Chemical; D004347:Drug Interactions; D005260:Female; D006207:Half-Life; D006801:Humans; D008875:Middle Aged; D010653:Phenylbutazone / Q000008:administration & dosage / Q000097:blood* / Q000378:metabolism; D013223:Statistics as Topic
chemical_list: D003276:Contraceptives, Oral; D010653:Phenylbutazone; D000983:Antipyrine