title: Increased antipyrine half-life in women taking oral contraceptives.
mesh_terms: D000293:Adolescent; D000328:Adult; D000983:Antipyrine / Q000097:blood / Q000378:metabolism*; D003276:Contraceptives, Oral / Q000494:pharmacology*; D005260:Female; D006801:Humans; D013997:Time Factors
chemical_list: D003276:Contraceptives, Oral; D000983:Antipyrine