Topic
- Education, elementary—Parent participation 1
- Eye—Care and hygiene 1
- Eye—Infections 1
- First Aid 1
- Flies—Control 1
- Gonorrhea 1
- Hair—care and hygiene 1
- Health and hygiene—China 1
- Health behavior 1
- Herbs—Therapeutic use 1
- Hospitals 1
- House cleaning 1
- Human anatomy 1
- Leprosy 1
- Lice—as carriers of disease 1
- Lice—control 1
- Mastication 1
- Medical Care 1
- Medicine, Preventative 1
- Microorganisms—Pathogenic 1