Combination oral contraceptives.
Rebar
R W
RW
Department of Obstetrics and Gynecology, University of Cincinnati College of Medicine, Ohio, USA.
D000328:Adult; D003277:Contraceptives, Oral, Combined / Q000009:adverse effects / Q000494:pharmacology; D005260:Female; D006801:Humans
D003277:Contraceptives, Oral, Combined