@article{Zimmer2007,
author = {Zimmer, Z. and Kaneda, T. and Spess, L.},
title= {An examination of urban versus rural mortality in China using community and individual data},
year = {2007},
doi = {10.1093/geronb/62.5.S349},
volume = {62},
number = {5},
pages = {S349--S357},
}