Comparison of hospitalization medical costs of different payment between urban and rural children and analysis of its influencing factors
XIAO Yong-hong, XIAO Qian, JI A-dan, et al
上海交通大学学报（医学版） . 2014, (2): 219 .  DOI: 10.3969/j.issn.1674-8115.2014.02.021