Side effects of oral contraceptives. An investigation of 4 gestagens using a double blind crossover technique.
D000328:Adult; D003276:Contraceptives, Oral / Q000009:adverse effects*; D004997:Ethinyl Estradiol / Q000009:adverse effects*; D005040:Ethynodiol Diacetate / Q000009:adverse effects; D005260:Female; D006801:Humans; D008535:Megestrol / Q000009:adverse effects; D009640:Norethindrone / Q000009:adverse effects*; D011372:Progestins / Q000009:adverse effects*
D003276:Contraceptives, Oral; D011372:Progestins; D004997:Ethinyl Estradiol; D005040:Ethynodiol Diacetate; D008535:Megestrol; D009640:Norethindrone