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Subjects
- Public Health22
- World War I21
- Sexually Transmitted Diseases15
- Brazil13
- California11
- Diabetes Mellitus11
- Immune Sera11
- Military Medicine11
- Heart Diseases8
- Tuberculosis8
- Influenza, Human6
- Nephritis6
- Pneumococcal Infections6
- Epidemiology5
- Typhoid Fever5
- Bacterial Typing Techniques4
- Bacterial Vaccines4
- Family4
- Rabies4
- Streptococcal Infections4