RT Journal T1 Income-Related Inequalities of Health and Health Care Utilization A1 E Xie PB Front. Econ. China FD 2011-03-05 YR 2011 JF Frontiers of Economics in China JO Front. Econ. China VO 6 IS 1 SP 131 DO 10.1007/s11459-011-0125-5 K1 health inequality;inequality in health care utilization;income;concentration index;Oaxaca decomposition LK {https://academic.hep.com.cn/fec/EN/article/article_1526.shtml}