Subjects
- Materia Medica623
- Government Regulation604
- Veterans596
- World War I562
- Philadelphia531
- United States. Food and Drug Administration524
- New York City506
- Pharmaceutical Preparations495
- Massachusetts492
- Surgeons492
- Physiological Phenomena489
- National Library of Medicine (U.S.)472
- Therapeutics450
- France445
- Education, Medical431
- Anniversaries and Special Events423
- Cholera398
- Surgical Procedures, Operative397
- Mexico392
- Equipment and Supplies364
