%0 Journal Article %B Tob Control %D 2017 %G eng %N e2 %P e1-e3 %R 10.1136/tobaccocontrol-2016-053413 %T Mobile marketing: an emerging strategy to promote electronic nicotine delivery systems. %V 26 %1 https://www.ncbi.nlm.nih.gov/pubmed/28119498?dopt=Abstract