The aim of this review was to investigate the comparative benefits, harms and tolerability of different smoking cessation pharmacotherapies and e?cigarettes, when used to help people stop smoking tobacco.
{EXTLINKV:www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD015226.pub2/full=Pharmacological and electronic cigarette interventions for smoking cessation in adults: component network meta-analyses]