by National Health Interview Survey (U.S.)
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Proportion of hospital bill paid by insu...
National Health Interview Survey, 1994
The statistical design of the health hou...
Disability days due to injury, United St...
Selected health characteristics by area,...
Evaluation of a single-visit cardiovascu...
Kokuritsu Kokkai Toshokan shozō Meijiki ...
VA health care
The structure of social action
Occupational safety & health
National Medical Expenditure Survey, 198...
Food Stamp Program