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Author/Creator
- American Medical Association69
- National Center for Health Statistics (U.S.)66
- Hindawi Publishing Corporation56
- United States. Agency for International Development54
- World Health Organization52
- Analysis, Information Management & Communications Activity50
- Population, Health & Nutrition Information Project50
- BioMed Central Ltd40
- National Institutes of Health (U.S.)39
- United States. Public Health Service36
- National Cancer Institute (U.S.)33
- Centers for Disease Control (U.S.)28
- Institute of Electrical and Electronics Engineers27
- British Medical Association22
- International Scholarly Research Network21
- Germany (West). Statistisches Bundesamt20
- Center for Disease Control19
- HCIA (Firm)19
- American Heart Association18
- American Hospital Association18