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Author/Creator
- National Center for Health Statistics (U.S.)407
- United States91
- United States. General Accounting Office73
- National Institutes of Health (U.S.)50
- United States. Public Health Service41
- National Institute of Mental Health (U.S.)36
- National Health Survey (U.S.)32
- National Cancer Institute (U.S.)28
- Roberts, Jean, 1918-28
- United States. Indian Health Service28
- National Center for Health Services Research22
- Graves, Edmund20
- United States. Department of Health and Human Services19
- Wilder, Charles S.19
- Centers for Disease Control (U.S.)17
- United States. Congress. Office of Technology Assessment17
- National Heart, Lung, and Blood Institute15
- United States. Health Care Financing Administration15
- Center for Disease Control14
- National Center for Health Services Research and Health Care Technology Assessment (U.S.)14