National Enforcement of the FSPTCA at Point-of-Sale. - Kirchner, Thomas R.; Villanti, Andrea C.; Tacelosky, Michael; Anesetti-Rothermel, Andrew; Hong Gao; Pearson, Jennifer; Ganz, Ollie; Cantrell, Jennifer; Vallone, Donna M.; Abrams, David B. (Tobacco Regulatory Science, 2015)