Aging in perspective: the evolution of medical and social policy.
D000368:Aged / Q000523:psychology*; D005260:Female; D005853:Geriatrics / Q000639:trends*; D006291:Health Policy / Q000639:trends*; D006801:Humans; D008017:Life Expectancy; D008019:Life Style; D008297:Male; D011640:Public Policy / Q000639:trends*; D011788:Quality of Life; D014481:United States