@article{Zhang2014,
author = {Zhang, B. and Zhai, F.Y. and Du, S.F. and Popkin, B.M.},
title= {The China health and nutrition survey, 1989–2011},
year = {2014},
doi = {10.1111/obr.12119},
volume = {15},
number = {S1},
pages = {2--7},
}