@article{Xu2016,
author = {Xu, H. and Xie, Y.},
title= {Assessing the effectiveness of anchoring vignettes in bias reduction for socioeconomic disparities in self-rated health among Chinese adults},
year = {2016},
doi = {10.1177/0081175015599808},
volume = {46},
number = {1},
pages = {84--120},
}