The epidemiology of breast cancer.
D000328:Adult; D000367:Age Factors; D000368:Aged; D001943:Breast Neoplasms / Q000453:epidemiology* / Q000209:etiology / Q000401:mortality; D005191:Family Characteristics; D005260:Female; D005298:Fertility; D006801:Humans; D008297:Male; D008393:Marriage; D008875:Middle Aged; D010298:Parity; D011247:Pregnancy; D012737:Sex Factors