Ottawa Family Planning Clinic: experience with 3862 registrants.
D000293:Adolescent; D000328:Adult; D003273:Contraceptive Devices; D003276:Contraceptives, Oral / Q000009:adverse effects; D005193:Family Planning Services; D005260:Female; D006801:Humans; D009864:Ontario; D011247:Pregnancy
D003276:Contraceptives, Oral