Schoolchildren who use e cigarettes more likely to try tobacco University of Leeds French report calls for indoor ban on e cigarettes France 24 E cigarettes: Facts, stats and regulations Changes in Concentration of Selected Biomarkers of Exposure in Users of Classic Cigarettes, E Cigarettes, and Heated Tobacco ProductsA Narrative Review The Quad: Understanding the history and future of e cigarettes amid growing regulations Daily Bruin Three years later the NASEM report on e cigs is out of date Stanton Glantz blog