Research on the impact of the integration of medical insurance system on the health and health inequality of rural older adults——based on the PSM-DID model
CHEN Dongquan, CHENG Huaizhi, TIAN Ruotong, DONG Xiaoyu, GAO Lingxiao, YANG Qiuju, GUO Bin
Soft Science of Health . 2026, (2): 89 -94 .  DOI: 10.3969/j.issn.1003-2800.2026.02.017

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