Increasing prevalence of electronic cigarette use among smokers hospitalized in 5 US cities, 2010-2013. | Vanderbilt Center for Clinical Cardiovascular Outcomes Research and Trials Evaluation

Rigotti NA, Harrington KF, Richter K, Fellows JL, Sherman SE, Grossman E, Chang Y, Tindle HA, Ylioja T. Increasing prevalence of electronic cigarette use among smokers hospitalized in 5 US cities, 2010-2013. Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco. 2015 Feb;17(17). 236-44. PMID: 25168031 [PubMed]

Little is known about the pattern of electronic cigarette (e-cigarette) use over time or among smokers with medical comorbidity.