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Subject
- Cost and standard of living6
- Malaria6
- Medical education6
- Public health[remove]6
- Public health nursing6
- Sanitation[remove]6
- Diaries 5
- Gonorrhea4
- Health insurance4
- Hospitals -- Administration4
- Hygiene4
- Medical care4
- Medical economics4
- Medicine, Preventive4
- Penicillin4
- Social medicine4
- Syphilis4
- Tuberculosis4
- Typhoid fever4
- Venereal diseases4