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Subjects
- United States4
- University of Pennsylvania. Department of Medicine. Class of 1853.1
- Urethral Stricture -- surgery1
- Uric Acid -- urine1
- Urinary Calculi -- diagnosis1
- Urinary Catheterization -- instrumentation1
- Urinary Catheterization -- methods1
- Uruguay1
- Uterine Diseases2
- Uterine Neoplasms -- surgery1
- Uterine Retroversion1