@article{Chang2005,
author = {Chang, V. and Lauderdale, D.},
title= {Income disparities in body mass index and obesity in the United States, 1971–2002},
year = {2005},
doi = {10.1001/archinte.165.18.2122},
journal = {Archives of Internal Medicine },
volume = {165},
number = {18},
pages = {2122--2128},
}