title: Synergism between radiation and other risk factors for breast cancer.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D001941:Breast Diseases / Q000150:complications; D001943:Breast Neoplasms / Q000209:etiology* / Q000235:genetics; D003276:Contraceptives, Oral / Q000009:adverse effects; D045166:Estradiol Congeners / Q000009:adverse effects; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008327:Mammography / Q000009:adverse effects*; D008875:Middle Aged; D009381:Neoplasms, Radiation-Induced / Q000453:epidemiology*; D010298:Parity; D012306:Risk; D013997:Time Factors
chemical_list: D003276:Contraceptives, Oral; D045166:Estradiol Congeners