E-cigarettes and smoking cessation in real-world and clinical settings: a systematic review and meta-analysis
The Lancet Respiratory Medicine (2016) - Comments
pubmed: 26776875  doi: 10.1016/s2213-2600(15)00521-4  issn: 2213-2619  issn: 2213-2600 

Sara Kalkhoran, Stanton A Glantz