Effectiveness of a chat bot for the adult population to quit smoking: protocol of a pragmatic clinical trial in primary care (Dejal@) BMC Medical Informatics and Decision Making Springer Nature Link Latest Cochrane Review finds high certainty evidence that nicotine e cigarettes are more effective than traditional nicotine replacement therapy (NRT) in helping people quit smoking Cochrane Efficacy of e cigarettes for smoking cessation in populations with psychiatric and or substance use problems: A secondary analysis of a randomized controlled trial Efficacy of Electronic Cigarettes for Smoking Cessation: A Systematic Review and Meta Analysis Shorouk Ibrahim, Mohamed Habiballah, Iman El Sayed, 2021 A Randomized Trial of E Cigarettes versus Nicotine Replacement Therapy New England Journal of Medicine