1. US Food and Drug Administration201507072016-03-19Electronic cigarettes (e-Cigarettes) http://www.fda.gov/NewsEvents/PublicHealthFocus/ucm172906.htm
2. DavidsonLThe Telegraph201506232016-03-18Vaping takes off as e-cigarette sales break through $6bn http://www.telegraph.co.uk/finance/newsbysector/retailandconsumer/11692435/Vaping-takes-off-as-e-cigarette-sales-break-through-6bn.html
3. WahbaPFortune201406112016-03-19US e-cigarette sales seen rising 24.2% per year through 2018 http://fortune.com/2014/06/10/e-cigarette-sales-rising/
4. Electronic Nicotine Delivery Systems (“E-cigarettes”)
5. Counseling Patients on the Use of Electronic Cigarettes