Electronic cigarettes for smoking cessation: a randomised controlled trial. Lancet 2013 Nov 16;382(9905):1629-1637.
A longitudinal analysis of electronic cigarette use and smoking cessation. JAMA Intern Med 2014 May;174(5):812-813.
E-cigarette use in the past and quitting behavior in the future: a population-based study. Am J Public Health 2015 Jun;105(6):1213-1219.
E-cigarettes and smoking cessation in real-world and clinical settings: a systematic review and meta-analysis. Lancet Respir Med 2016 Feb;4(2):116-128.
Experimentation and correlates of electronicnicotine delivery system (electronic cigarettes) among university students – a cross sectional study. Saudi Dent J 2016 Apr;28(2):91-95.
Pediatric exposure to e-cigarettes, nicotine, and tobacco products in the United States. Pediatrics 2016;137(6).pii: e20160041.