title: Female breast cancer: distribution, risk factors, and effect of steroid contraception.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001943:Breast Neoplasms / Q000453:epidemiology* / Q000209:etiology / Q000401:mortality; D002277:Carcinoma / Q000453:epidemiology* / Q000401:mortality; D002648:Child; D002675:Child, Preschool; D003276:Contraceptives, Oral / Q000009:adverse effects*; D003431:Cross-Cultural Comparison; D004812:Epidemiologic Methods; D005260:Female; D005348:Fibrocystic Breast Disease / Q000209:etiology; D006801:Humans; D008875:Middle Aged; D011247:Pregnancy; D012306:Risk; D014171:Transients and Migrants; D014481:United States
chemical_list: D003276:Contraceptives, Oral