« Previous
Next »
Author/Creator
- United States269
- ebrary, Inc155
- National Institutes of Health (U.S.)138
- United States. General Accounting Office119
- Project Muse75
- Le, Tao52
- National Library of Medicine (U.S.)49
- United States. Congress. House. Committee on Energy and Commerce. Subcommittee on Health and the Environment47
- United States. Surgeon-General's Office46
- United States. Congress. Office of Technology Assessment45
- United States. Congress. Senate. Committee on Health, Education, Labor, and Pensions44
- United States. Congress. House. Committee on Energy and Commerce. Subcommittee on Health42
- United States. Congress. House. Committee on Ways and Means. Subcommittee on Health42
- United States. Government Accountability Office41
- United States. Veterans Administration41
- United States. Congress. Senate. Committee on Labor and Human Resources40
- United States. Office of Aerospace Medicine40
- American Medical Association37
- United States. Congress. Senate. Special Committee on Aging37
- United States. Department of Health and Human Services37