Cyclic vs. continuous or extended-cycle combined contraceptives.
Kripke
Clarissa
C
Department of Family and Community Medicine, University of California, San Francisco, USA.
D002986:Clinical Trials as Topic; D003267:Contraception / Q000379:methods; D003277:Contraceptives, Oral, Combined / Q000008:administration & dosage*; D004334:Drug Administration Schedule; D005260:Female; D006801:Humans; D008597:Menstrual Cycle / Q000187:drug effects
D003277:Contraceptives, Oral, Combined