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Subjects
- Public Health -- legislation & jurisprudence1
- Rectal Diseases1
- Rupture1
- Rupture, Spontaneous1
- Seasons1
- Sexual Behavior1
- Societies, Medical -- organization & administration1
- South America1
- Surgical Procedures, Operative1
- Syphilis1
- Syphilis -- surgery1
- Therapeutics1
- Travel1
- Tropical Climate1
- Tropical Medicine1
- United States -- epidemiology1
- Urethral Diseases1
- Urethral Diseases -- surgery1
- Veterinary Medicine1
- Vitalism1