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 A Randomized Trial of E Cigarettes versus Nicotine Replacement Therapy New England Journal of Medicine High End le haut de gamme de la vape 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