@article{Popkin2010,
author = {Popkin, B.M. and Du, S. and Zhai, F. and Zhang, B.},
title= {Cohort profile: The China Health and Nutrition Survey ‒ monitoring and understanding socio-economic and health change in China, 1989–2011},
year = {2010},
doi = {10.1093/ije/dyp322},
volume = {39},
number = {6},
pages = {1435--1440},
}