CLINICAL EXPERIENCE IN THE USE OF ORAL CONTRACEPTIVES.
D003270:Contraceptive Agents; D003276:Contraceptives, Oral; D004997:Ethinyl Estradiol; D005260:Female; D006801:Humans; D008535:Megestrol; D008656:Mestranol; D009640:Norethindrone; D011374:Progesterone; D011372:Progestins
D003270:Contraceptive Agents; D003276:Contraceptives, Oral; D011372:Progestins; D004997:Ethinyl Estradiol; D011374:Progesterone; D008656:Mestranol; D008535:Megestrol; D009640:Norethindrone
CONTRACEPTIVES, ORAL; ETHINYL ESTRADIOL; MEGESTROL; MESTRANOL; NORETHINDRONE; PROGESTATIONAL HORMONES; PROGESTERONE