Efficacy of Electronic Cigarettes for Smoking Cessation: A Systematic Review and Meta Analysis Shorouk Ibrahim, Mohamed Habiballah, Iman El Sayed, 2021 Smoking Cessation Programs Are Less Effective in Smokers with Low Socioeconomic Status Even When Financial Incentives for Quitting Smoking Are OfferedA Community Randomized Smoking Cessation Trial in Denmark Targeted smoking cessation for dual users of combustible and electronic cigarettes: a randomised controlled trial The Lancet Public Health Cigarette lectronique Kits & packs Cdiscount.com Global Regulatory Approaches towards E Cigarettes, Key Arguments, and Approaches Pursued IntechOpen Cue Restricted Smoking as a behavioral adjunct for smoking cessation: Observational sub analysis of a randomized trial of deep transcranial magnetic stimulation