Subjects
- Surgical Procedures, Operative -- education4
- Syphilis -- prevention & control4
- Teaching Materials4
- Tetanus4
- Thailand4
- Tobacco Industry4
- Tobacco Smoke Pollution4
- Tobacco Use Cessation -- methods4
- Tuberculosis, Pulmonary -- drug therapy4
- United States Government Agencies4
- Vision Tests4
- Vitamin A -- therapeutic use4
- Waste Products4
- Water Pollution -- prevention & control4
- Work4
- Yaws4
- AIDS Drug Assistance Program (U.S.)3
- Acquired Immunodeficiency Syndrome -- nursing3
- Acupuncture3
- AdeĢ, Sunny.3