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Subjects
- USSR2
- Ultraviolet Rays2
- Ultraviolet Therapy1
- Unconsciousness1
- Union Health Center (New York, N. Y.).1
- United Kingdom1
- United Nations1
- United States782
- United States -- epidemiology9
- United States -- ethnology2
- United States Government Agencies15
- United States Government Agencies -- legislation & jurisprudence1
- United States Government Agencies -- organization & administration11
- United States Marine Hospital at Boston.1
- United States Maritime Service.1
- United States Military Academy. Medical Department.1
- United States Naval Hospital (Mare Island, Calif.). Artificial Limb Department.1
- United States.2
- United States. 193rd General Hospital.1
- United States. Air Force Medical Service.1