Qu'est ce qu'une cigarette lectronique ? Changes in cardiovascular disease risk, lung function and other clinical health outcomes when people who smoke use e cigarettes to reduce cigarette smoking: an exploratory analysis from a randomised placebo controlled trial BMJ Electronic and Tobacco Cigarettes Alter Polyunsaturated Fatty Acids and Oxidative Biomarkers Circulation Research Quel est l'avis des mdecins sur la cigarette lectronique ?