Variations in mortality from cancer.
D000328:Adult; D000367:Age Factors; D000368:Aged; D003710:Demography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009369:Neoplasms / Q000401:mortality*; D012424:Rural Population; D012737:Sex Factors; D014481:United States; D014505:Urban Population