Source:DâAngelo, Heather, Alice Ammerman, Penny Gordon-Larsen, Laura Linnan, Leslie Lytle, and Kurt M. Ribisl. "Sociodemographic Disparities in Proximity of Schools to Tobacco Outlets and Fast-Food Restaurants." American Journal of Public Health 106.9 (2016): 1556-562.
Source:"Preventing Tobacco Use Among Youth and Young Adults: A Report of the Surgeon General Executive Summary." U.S. Department of Health and Human Services, Public Health Service, Office of the Surgeon General. 2012.