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- Korea (South)2
- Health education1
- Health promotion1
- Healthful living1
- Healthful living -- Oratory -- Competitions -- Korea (South)1
- Korea (South). Prime Minister's Medal1
- Lee, Hyun-Min1
- Prevention1
- Smoking1
- Smoking -- Prevention1
- Smoking -- Prevention -- Korea (South)1
- Smoking cessation1
- Students -- Korea (South)1
- Yun, Philip Bohyun1