title: Contraceptive methods: selective factors in a study of dysplasia of the cervix.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002140:California; D003153:Community Health Services; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005006:Ethnicity; D005193:Family Planning Services; D005260:Female; D006801:Humans; D007182:Income; D007434:Intrauterine Devices / Q000009:adverse effects*; D010298:Parity; D011203:Poverty; D011230:Precancerous Conditions / Q000453:epidemiology* / Q000209:etiology; D011247:Pregnancy; D011446:Prospective Studies; D014505:Urban Population; D002577:Uterine Cervical Diseases / Q000453:epidemiology* / Q000209:etiology
chemical_list: D003276:Contraceptives, Oral