Social health insurance, healthcare utilization, and costs in middle-aged and elderly community-dwelling adults in China
Wang, Zhonghua ; Li, Xiangjun ; Chen, Mingsheng ; Si, Lei
International journal for equity in health, 2018-02, Vol.17 (1), p.17-17, Article 17 [Periódico revisado por pares]England: BioMed Central Ltd
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