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Subjects
- Ulcer -- therapy1
- United Kingdom1
- United States33
- United States. Army.1
- United States. War Department.1
- University of Pennsylvania. Department of Medicine1
- University of Pennsylvania. Hospital.1
- University of Pennsylvania. School of Dentistry1
- Urea -- chemistry1
- Ureter -- abnormalities1
- Urethra -- pathology1
- Urethral Neoplasms -- surgery1
- Urethral Obstruction -- complications1
- Urethral Stricture1
- Urethral Stricture -- surgery2
- Urinalysis1
- Urinary Bladder -- abnormalities1
- Urinary Bladder Calculi -- surgery2
- Urinary Bladder Diseases -- congenital1
- Urinary Tract1