Efficacy and Safety of E Cigarette Use for Smoking Cessation: A Systematic Review and Meta Analysis of Randomized Controlled Trials The American Journal of Medicine Systematic Review and Critical Analysis of Longitudinal Studies Assessing Effect of E Cigarettes on Cigarette Initiation among Adolescent Never Smokers Evidence update on the cancer risk of vaping e cigarettes: A systematic review Looking Back and Going Forward: Roles of Varenicline and Electronic Cigarettes in Smoking Cessation Efficacy of Electronic Cigarettes for Smoking Cessation: A Systematic Review and Meta Analysis Shorouk Ibrahim, Mohamed Habiballah, Iman El Sayed, 2021 Analyse de la taille, de la part et des prvisions du march des cigarettes lectroniques et des vapoteuses jusqu'en 2035