Effect evaluation of pilot reform of countylevel public hospitals based on propensity score matching
Zhang Yaoguang,, Miao Zhiwen1, Zhou Zhongliang2, Xue Ming1, Xu Ling3. 
journal1 . 2020, (1): 70 -73 .  DOI: 10.3969/j.issn.1006-5253.2020.01.015