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Subjects
- Libraries, Medical324
- United States324
- National Library of Medicine (U.S.)249
- Anniversaries and Special Events202
- Smoking156
- Physicians151
- Hypertension140
- Acquired Immunodeficiency Syndrome131
- Financing, Organized127
- Fredrickson, Donald S.110
- Nurses106
- Clothing94
- Antihypertensive Agents92
- Administrative Personnel85
- Public Health85
- African Americans80
- Legislation as Topic79
- Child66
- Awards and Prizes63
- Cell Culture Techniques61