Subjects
- Materia Medica622
- Government Regulation606
- Veterans596
- World War I563
- Philadelphia532
- United States. Food and Drug Administration524
- New York City508
- Pharmaceutical Preparations497
- Massachusetts494
- Surgeons492
- Physiological Phenomena483
- National Library of Medicine (U.S.)471
- Therapeutics448
- France444
- Education, Medical434
- Anniversaries and Special Events425
- Cholera398
- Surgical Procedures, Operative397
- Mexico392
- Equipment and Supplies368
