PRELIMINARY REPORT ON PROVEST STUDY.
D003270:Contraceptive Agents; D003276:Contraceptives, Oral; D004997:Ethinyl Estradiol; D005260:Female; D006801:Humans; D008525:Medroxyprogesterone; D012106:Research
D003270:Contraceptive Agents; D003276:Contraceptives, Oral; D004997:Ethinyl Estradiol; D008525:Medroxyprogesterone
CONTRACEPTIVES, ORAL; ETHINYL ESTRADIOL; MEDROXYPROGESTERONE