Sociodemographic differences in fast food price sensitivity.
Meyer KA, Guilkey DK, Ng SW, Duffey KJ, Popkin BM, Kiefe CI, Steffen LM, Shikany JM, Gordon-Larsen P.
Meyer KA, et al. Among authors: duffey kj.
JAMA Intern Med. 2014 Mar;174(3):434-42. doi: 10.1001/jamainternmed.2013.13922.
JAMA Intern Med. 2014.
PMID: 24424384
Free PMC article.