School-Based Commercialism Higher in Schools with Socioeconomically Disadvantaged Student Populations
http://www.bridgingthegapresearch.org/_asset/wgnv7r/BTG_school_commercialism_brief_FINAL_01-09-14.pdf
A BTG Research Brief. Terry-McElrath Y.M., Turner L., Sandoval A., Johnston L.D., Chaloupka F.J. Chicago, IL: Bridging the Gap Program, Health Policy Center, Institute for Health Research and Policy, University of Illinois at Chicago; 2014.