Long-term studies of oral contraceptives and IUDs at the family planning centers of greater Los Angeles.
D002140:California; D003267:Contraception; D003276:Contraceptives, Oral; D005069:Evaluation Studies as Topic; D005193:Family Planning Services; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007267:Injections; D007434:Intrauterine Devices; D008525:Medroxyprogesterone / Q000008:administration & dosage; D008722:Methods; D011155:Population Control; D013997:Time Factors; D014481:United States; D014486:United States Food and Drug Administration
D003276:Contraceptives, Oral; D008525:Medroxyprogesterone