Subjects
- Typhoid Fever -- complications4
- United States -- epidemiology4
- United States. Army. Army, 5th.4
- United States. Public Health Service.4
- United States. War Department.4
- Urinary Bladder Diseases4
- Vision Tests4
- Visually Impaired Persons4
- Vitalism4
- Water Microbiology4
- Wounds and Injuries -- mortality4
- Writing4
- Yellow Fever -- history4
- Yellow Fever -- transmission4
- Academies and Institutes -- organization & administration3
- Adaptation, Psychological3
- Administrative Personnel3
- Advertising as Topic3
- Air Pollutants3
- Air Pollution, Indoor -- adverse effects3