Research on regional differences and changing trends of medical service efficiency of Chinese hospitals—based on the SBM super-efficiency model
ZHOU Yan, XU Jingyi, LI Xiaoyan, MA Huizhi
Soft Science of Health . 2025, (4): 47 -52 .  DOI: 10.3969/j.issn.1003-2800.2025.04.009

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