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Chen G, Xu M, Wang X, Gao Y, He C, Chang M, Zhang J.Chen G, et al. Among authors: zhang j.Medicine (Baltimore). 2019 Aug;98(35):e16841. doi: 10.1097/MD.0000000000016841.Medicine (Baltimore). 2019.PMID: 31464910Free PMC article.
Chen G, Xu M, Ma L, Gao Y, He C, Zhang J.Chen G, et al. Among authors: zhang j.BMC Neurol. 2018 Nov 29;18(1):197. doi: 10.1186/s12883-018-1197-y.BMC Neurol. 2018.PMID: 30497408Free PMC article.
Chen GY, Ma L, Xu ML, Zhang JN, He ZD, He CY, Zhao CH, Fu C, Li M, Gao YF.Chen GY, et al.Medicine (Baltimore). 2018 Feb;97(5):e9758. doi: 10.1097/MD.0000000000009758.Medicine (Baltimore). 2018.PMID: 29384861Free PMC article.