The Use of Substances Other Than Nicotine in Electronic Cigarettes Among College Students.

Subst Abuse · 2017 · PMC5617088 · PMID 28979131

Europe PMC DOI

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an increasing trendno p-value reported

Although e-cigarettes were originally intended to vaporize a liquid mixture containing nicotine, there appears to be an increasing trend in other substance use in e-cigarettes (OSUE).

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.