Oral contraceptives and von Willebrand's disease.
D000293:Adolescent; D000328:Adult; D003276:Contraceptives, Oral / Q000494:pharmacology* / Q000627:therapeutic use; D005260:Female; D006801:Humans; D008595:Menorrhagia / Q000188:drug therapy; D014914:Whole Blood Coagulation Time; D014842:von Willebrand Diseases / Q000097:blood / Q000175:diagnosis*
D003276:Contraceptives, Oral