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Subjects
- San Francisco10
- Sanitary Engineering -- methods1
- Schools, Medical1
- Scrub Typhus -- prevention & control1
- Sexually Transmitted Diseases -- epidemiology1
- Skin Diseases -- therapy1
- Skin Transplantation -- methods1
- Societies, Medical1
- Station Hospital (Hendricks Field, Fla.)1
- Students, Medical1
- Submarine Medicine1
- Surgical Equipment1
- Surgical Instruments3
- Surgical Procedures, Operative3
- Survival3