Smoking prevention and smoking cessation. 흡연 예방 및 금연
Smoking prevention and smoking cessation 흡연 예방 및 금연 Overview of Smoking Prevention and Smoking Cessation Photo 6-3. Smoking is harmful. Prevent children and adolescents from starting to smoke. Copyright ⓒ 2012 John Sangwon Lee, MD., FAAP 15% of the middle … Continued