@article{Popkin1996,
author = {Popkin, B.M. and Siega-Riz, A.M. and Haines, P.S.},
title= {A comparison of dietary trends among racial and socioeconomic groups in the United States},
year = {1996},
doi = {10.1056/NEJM199609053351006},
volume = {335},
number = {10},
pages = {716--720},
}