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Subjects
- Surgical Procedures, Operative1
- Tangier Disease2
- Teaching1
- Television4
- Thailand3
- Toilet Facilities4
- Travel1
- Typhoid Fever2
- Typhus, Epidemic Louse-Borne7
- United States Dept. of Health and Human Services1
- United States Public Health Service2
- Venezuela1
- Veratrum1
- World War I3
- World War II9
- Wounds and Injuries12
- Yellow Fever36
- Yellow Fever Vaccine1
- Zea mays2