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- Children126
- Public health122
- World War, 1939-194584
- Health and hygiene83
- Prevention83
- Health education82
- Sexually transmitted diseases77
- School children70
- Medicine, Preventive66
- Health literacy63
- Nutrition48
- Sick persons47
- Syphilis42
- Nurses36
- Physicians34
- Patent medicines33
- Eating & drinking32
- Soldiers32
- Communicable diseases31
- Mothers29