title: On call. After smoking for over 15 years, I finally quit eight months ago, but I still miss my cigarettes.  I recently heard about electronic cigarettes.  Are they safe?
authors.forename: Harvey B
authors.initials: HB
authors.lastname: Simon
mesh_terms: D066300:Electronic Nicotine Delivery Systems; D006801:Humans; D012907:Smoking; D016540:Smoking Cessation; D011795:Surveys and Questionnaires