Changes in mortality among the elderly: United States, 1940-78.
D000367:Age Factors; D000368:Aged; D002561:Cerebrovascular Disorders / Q000401:mortality; D005260:Female; D005544:Forecasting; D006331:Heart Diseases / Q000401:mortality; D006801:Humans; D008297:Male; D009026:Mortality; D009369:Neoplasms / Q000401:mortality; D012737:Sex Factors; D014481:United States