The study enrolled 1,074 patients with cancer who were smokers and were therefore referred to a tobacco treatment program at a comprehensive cancer center during the years 2012 and 2013. Smoking status, nicotine dependence, and e-cigarette use was assessed at baseline and the patients were followed for six-month. The primary outcome was smoking cessation, measured as seven-day abstinence at follow-up.

And Dr. Terry failed to stop the study in 1965, even after the 1964 World Health Organization's Helsinki Declaration clearly articulated the ethical imperative of informed consent for human medical experimentation.

LAST：2014 latest atty atomizer,tobh atty and 26650 tobh atty,atomizer exgo and drip tip atomizer tobh atty from kingberry |NEXT：2014 new technology,variable VV/VW zna 30 mod electronic cigarette wholesale