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- Public health48
- Health literacy46
- Health education45
- Health and hygiene43
- School children43
- Children41
- Medicine, Preventive38
- Bathing8
- Communicable diseases7
- Prevention7
- China6
- Mortality6
- Physicians6
- Population6
- Care and hygiene5
- Food habits5
- Clocks & watches4
- Dressing & grooming equipment4
- Eating & drinking4
- Health behavior4