%0 Journal Article %T What Happens After the Implementation of Electronic Locking Devices for Adolescents at Cigarette Vending Machines? A Natural Longitudinal Experiment From 2005 to 2009 in Germany %A Schneider, Sven %A Gruber, Johannes %A Yamamoto, Shelby %A Weidmann, Christian %J Nicotine and Tobacco Research %V 13 %N 8 %P 732-740 %@ 1462-2203 %D 2011-08-18 %I Oxford University Press %~ DeepDyve