FDA has authorized e cigarettes for the first time, citing benefits for smokers : NPR China's E Cigarette Institution Expects Exports of E Cigarettes Reach $27.82B Pandaily North Carolina Attorney General launches probe into e cigarette maker Puff Bar Reuters The Beginners Guide to Electronic Cigarettes VaporFi Express Sahara Gold E Cigarette Kit E Cigarettes Are in Vogue and at a Crossroads The New York Times