title: Epidemiology of breast cancer.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D000728:Androgens / Q000652:urine; D000818:Animals; D001943:Breast Neoplasms / Q000453:epidemiology* / Q000209:etiology / Q000235:genetics; D005006:Ethnicity; D005191:Family Characteristics; D005260:Female; D006801:Humans; D007564:Japan; D008598:Menstruation; D051379:Mice; D008875:Middle Aged; D009747:Nutritional Physiological Phenomena; D051381:Rats; D012306:Risk; D014481:United States
chemical_list: D000728:Androgens