Ayers, John W <br/><br/>
Why do people use electronic nicotine delivery systems (electronic cigarettes)? A content analysis of Twitter, 2012-2015.  [electronic resource] 

 -  PloS one  2017 
 - e0170702 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1932-6203 
<br/><br/><label>Standard No.: </label>10.1371/journal.pone.0170702  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cross-Sectional Studies<br/>Electronic Nicotine Delivery Systems<br/>Female<br/>Humans<br/>Male<br/>Social Media<br/>Vaping