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Subjects
- Ulna -- surgery1
- Ultrasonography1
- United States66
- United States -- epidemiology2
- United States Government Agencies1
- United States Marine Hospital No. 66 (Carville, La.)1
- United States.1
- United States. Air Force.1
- United States. Army.2
- United States. Food and Drug Administration1
- United States. Naval Medical Research Unit No. 3.1
- United States. Navy. Dental Corps.1
- United States. Public Health Service.4
- United States. Regional Medical Programs Service.1
- University of Minnesota. Laboratory of Physiological Hygiene1
- Urban Health1
- Urban Population1
- Urbanization3
- Ureter -- abnormalities1
- Ureter -- diagnostic imaging1