Subjects
- Tooth Diseases39
- Cost-Benefit Analysis38
- Health Care Costs -- statistics & numerical data38
- Indians, North American38
- Medicine, Traditional38
- Quality Assurance, Health Care38
- Sanitation -- legislation & jurisprudence38
- Smallpox -- prevention & control38
- Charities37
- Health Surveys37
- History, 20th Century37
- Missouri37
- Smoking37
- United States. Food and Drug Administration.37
- Cholera -- prevention & control36
- Complementary Therapies36
- Delivery of Health Care -- economics36
- Education36
- Gynecology36
- London36