title: Commentary on Etter & Bullen (2011): could E-cigs become the ultimate nicotine maintenance device?
authors: Public Health Sciences and Psychiatry, Penn State University, College of Medicine, Cancer Institute, Cancer Control Program, T3428, CH69, 500 University Drive, PO Box 850 Hershey, PA 17033-0850, USA. E-mail: jfoulds@psu.edu
authors: Jonathan
authors: J
authors: Foulds
authors: Susan
authors: S
authors: Veldheer
mesh_terms: D003258:Consumer Behavior / Q000706:statistics & numerical data*; D004581:Electronics; D005260:Female; D006801:Humans; D008297:Male; D016540:Smoking Cessation / Q000379:methods*; D000074606:Smoking Prevention; D061485:Tobacco Use Cessation Devices / Q000706:statistics & numerical data*