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Ma Y, He M, Hou LS, Xu S, Huang ZX, Zhao N, Kang Y, Yue JR, Wu C.Ma Y, et al. Among authors: hou ls.BMC Geriatr. 2021 Jun 10;21(1):355. doi: 10.1186/s12877-021-02310-x.BMC Geriatr. 2021.PMID: 34112103Free PMC article.
Wen JL, Sun QZ, Cheng Z, Liao XZ, Wang LQ, Yuan Y, Li JW, Hou LS, Gao WJ, Wang WJ, Soh WY, Li BF, Ma DQ.Wen JL, et al. Among authors: hou ls.World J Clin Cases. 2021 Mar 16;9(8):1953-1967. doi: 10.12998/wjcc.v9.i8.1953.World J Clin Cases. 2021.PMID: 33748247Free PMC article.