United States
Campaign for Tobacco Free Kids 2015
Substance Abuse and Mental Health Services Administration 2015
Jo, C.L., Kornfield, R., Kim, Y. et al. 2015
Jamal, A., Homa, D.M., O'Connor, E. et al. 2015
Richardson, A., Ganz, O., Vallone, D. 2015
van Hasselt, M., Kruger, J., Han, B. et al. 2015
Chriqui, J., DeLong, H., Gourdet, C. et al. 2015
Lewis, M.J., Bover-Manderski, M.T., Delnevo, C.D. 2015
Centers for Disease Control and Prevention 2015
Reuter, P., Bouchard, M., Chaloupka, F.J. et al. 2015
Campaign for Tobacco Free Kids 2014
McLaughlin, I., Pearson, A.D., Laird-Metke, E. et al. 2014