@article{Xu2011,
author = {Xu, H. and Short, S.E.},
title= {Health insurance coverage rates in 9 provinces in China doubled from 1997 to 2006, with a dramatic rural upswing},
year = {2011},
doi = {10.1377/hlthaff.2010.1291},
volume = {30},
number = {12},
pages = {2419--2426},
}