E cigarettes use among university students in Jordan: Perception and related knowledge PLOS One Examining the effectiveness of general practitioner and nurse promotion of electronic cigarettes versus standard care for smoking reduction and abstinence in hardcore smokers with smoking related chronic disease: protocol for a randomised controlled A pilot randomized controlled trial of automated and counselor delivered text messages for e cigarette cessation Panique sur la cigarette lectronique : l'histoire d'une hystrie mdiatique Vaping Post