AUTHOR=Jovanovic Mirjana , Jakovljevic Mihajlo TITLE=Regulatory Issues Surrounding Audit of Electronic Cigarette Charge Composition JOURNAL=Frontiers in Psychiatry VOLUME=6 YEAR=2015 URL=https://www.frontiersin.org/journals/psychiatry/articles/10.3389/fpsyt.2015.00133 DOI=10.3389/fpsyt.2015.00133 ISSN=1664-0640