Some epidemiologic observations on cancer of the female breast.
D000328:Adult; D000367:Age Factors; D000368:Aged; D044383:Black People; D001943:Breast Neoplasms / Q000453:epidemiology* / Q000209:etiology / Q000401:mortality; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D008875:Middle Aged; D014481:United States; D044465:White People; D001741:Black or African American