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- Children125
- Public health122
- Health and hygiene83
- Health education82
- Prevention82
- World War, 1939-194581
- Sexually transmitted diseases76
- School children70
- Medicine, Preventive66
- Health literacy63
- Nutrition48
- Sick persons47
- Syphilis42
- Nurses36
- Physicians34
- Eating & drinking32
- Communicable diseases31
- Patent medicines31
- Soldiers30
- Mothers29