Author
National Center for Health Statistics (U.S.)
207
National Institutes of Health (U.S.)
98
World Health Organization
81
United States. Agency for International Development
80
Analysis, Information Management & Communications Activity
78
Population, Health & Nutrition Information Project
78
United States. Public Health Service
75
United States. Health Care Financing Administration
73
National Cancer Institute (U.S.)
65
American Medical Association
51
Centers for Disease Control and Prevention (U.S.)
51
Centers for Disease Control (U.S.)
49
Pennsylvania Health Care Cost Containment Council
45
Center for Disease Control
39
New Jersey. State Department of Health
33
National Institute of Mental Health (U.S.)
31
American Pharmaceutical Association
28
Pennsylvania. Department of Health
28
ScienceDirect (Online service)
26
American Hospital Association
24
BioMed Central Ltd
24
National Institute for Occupational Safety and Health
24
Association of American Medical Colleges
23
Pennsylvania. Health Data Center
23
National League for Nursing
21
United States. Department of Health and Human Services
21
National Toxicology Program (U.S.)
20
e-libro, Corp
19
Joint Commission on Accreditation of Healthcare Organizations
18
National Institutes of Health (U.S.). Division of Research Grants
18
United States Pharmacopeial Convention
18
National Library of Medicine (U.S.)
17
American Association of Colleges of Pharmacy
16
National Health Interview Survey (U.S.)
16
United States. Department of Health, Education, and Welfare
16
Directory of Open Access Journals
15
National Communicable Disease Center (U.S.)
15
National League for Nursing. Division of Research
14
United States. Health Care Financing Administration. Office of Research and Demonstrations
14
American Dental Association
13
American Nurses Association
13
International Agency for Research on Cancer
13
National Clearinghouse for Mental Health Information (U.S.)
13
National Hospital Discharge Survey (U.S.)
13
National Institutes of Health (U.S.). Division of Research Grants. Statistics and Analysis Branch
13
Pan American Health Organization
13
United States. Bureau of Radiological Health
13
American Speech-Language-Hearing Association
12
Canadian Centre for Health Information
12
EBSCO Publishing (Firm)
12
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