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Subjects
- Libraries, Medical5
- United States3
- Maryland2
- Medicine2
- National Library of Medicine (U.S.)2
- National Library of Medicine (U.S.). History of Medicine Division.2
- American Physiological Society (1887- )1
- Book Classification1
- History of Medicine1
- History, 17th Century1
- Information Services1
- Information Storage and Retrieval1
- Information Systems1
- MEDLARS1
- Manuscripts, Medical1
- Ophthalmology -- history1
- Physiology -- history1