Perceptions of Secondhand E-Cigarette Aerosol Among Twitter Users
Tobacco Regulatory Science (2016) - Comments
pubmed: 28090560  doi: 10.18001/trs.2.2.5  issn: 2333-9748 

Jennifer B. Unger, Patricia Escobedo, Jon-Patrick Allem, Daniel W. Soto, Kar-Hai Chu, Tess Cruz