RT Journal Article SR Electronic T1 Electronic cigarette advertising at the point-of-sale: a gap in tobacco control research JF Tobacco Control JO Tob Control FD BMJ Publishing Group Ltd SP e110 OP e112 DO 10.1136/tobaccocontrol-2013-051337 VO 24 IS e1 A1 Ganz, Ollie A1 Cantrell, Jennifer A1 Moon-Howard, Joyce A1 Aidala, Angela A1 Kirchner, Thomas R A1 Vallone, Donna YR 2015 UL http://tobaccocontrol.bmj.com/content/24/e1/e110.abstract AB