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Subjects
- USSR4
- Ultrasonic Therapy2
- Ultrasonic Waves -- adverse effects4
- Ultraviolet Therapy1
- United Kingdom1
- United States305
- United States -- epidemiology4
- United States Government Agencies1
- United States Government Agencies -- organization & administration3
- United States.1
- United States. 193rd General Hospital.1
- United States. Air Force Medical Service.1
- United States. Air Force.1
- United States. Army Ground Forces. Medical Section. Preventive Medical Division.1
- United States. Army Medical Department.1
- United States. Army Nurse Corps.7
- United States. Army Service Forces.3
- United States. Army Service Forces. Northwest Service Command.1
- United States. Army Service Forces. Service Command, 6th. Northwest District.1
- United States. Army.2