Subjects
- Horses5
- Obstetrics5
- Physicians5
- Sexual Behavior5
- Smallpox -- prevention & control5
- United States5
- Anniversaries and Special Events4
- Bloodletting4
- Chemistry4
- Death4
- Dentists4
- Hospitals, Military4
- Military Personnel4
- Orthopedic Equipment4
- Surgical Instruments4
- Tooth Extraction4
- Animal Husbandry3
- Chronic Disease3
- Equipment and Supplies3
- Fever3