title: [Follow-up observation of the so-called normophasic method of hormonal contraception].
mesh_terms: D002986:Clinical Trials as Topic; D003276:Contraceptives, Oral / Q000008:administration & dosage*; D003277:Contraceptives, Oral, Combined / Q000009:adverse effects; D003279:Contraceptives, Oral, Sequential / Q000008:administration & dosage*; D004341:Drug Evaluation; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008598:Menstruation / Q000187:drug effects; D014592:Uterine Hemorrhage / Q000139:chemically induced
chemical_list: D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined; D003279:Contraceptives, Oral, Sequential
vernacular_title: Eine Follow up-Betrachtung zur sogenannten normophasischen Methode der hormonalen Kontrazeption.