Ayers, John W <br/><br/>
Revisiting the Rise of Electronic Nicotine Delivery Systems Using Search Query Surveillance.  [electronic resource] 

 -  American journal of preventive medicine  06 2016 
 - e173-e181 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1873-2607 
<br/><br/><label>Standard No.: </label>10.1016/j.amepre.2015.12.008  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Commerce--economics<br/>Electronic Nicotine Delivery Systems--statistics & numerical data<br/>Humans<br/>Information Seeking Behavior<br/>Internet--statistics & numerical data<br/>Smoke-Free Policy--legislation & jurisprudence<br/>Tobacco Products--statistics & numerical data<br/>Vaping--economics