PDF) E cigarettes, synthetic nicotine, heated tobacco and smokeless nicotine delivery products: the nicotine landscape beyond combustible cigarettes Comment nettoyer sa cigarette lectronique sans l'abmer ? 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 health interventions for smoking cessation management in smokers: a systematic review and meta analysis eClinicalMedicine