Data on disability.
Seeman
Isadore
I
D000203:Activities of Daily Living; D000368:Aged / Q000706:statistics & numerical data*; D000369:Aged, 80 and over; D006233:Persons with Disabilities / Q000706:statistics & numerical data*; D006301:Health Services Needs and Demand / Q000639:trends*; D006306:Health Surveys; D006801:Humans; D008875:Middle Aged; D009026:Mortality / Q000639:trends; D014481:United States / Q000453:epidemiology