[Clinical studies on the low-dosage norgestrel-ethinylestradiol combination as a long term oral contraception (author's transl)].
D000328:Adult; D003276:Contraceptives, Oral / Q000494:pharmacology*; D003277:Contraceptives, Oral, Combined / Q000494:pharmacology*; D004341:Drug Evaluation; D004717:Endometrium / Q000187:drug effects; D004997:Ethinyl Estradiol / Q000009:adverse effects / Q000494:pharmacology; D005260:Female; D006801:Humans; D008099:Liver / Q000187:drug effects; D008111:Liver Function Tests; D008598:Menstruation / Q000187:drug effects; D009644:Norgestrel / Q000009:adverse effects / Q000494:pharmacology; D011247:Pregnancy
D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined; D009644:Norgestrel; D004997:Ethinyl Estradiol