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Li S, Ning LG, Lou XH, Xu GQ.Li S, et al. Among authors: ning lg.World J Clin Cases. 2018 Nov 26;6(14):745-752. doi: 10.12998/wjcc.v6.i14.745.World J Clin Cases. 2018.PMID: 30510938Free PMC article.Review.