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Li DY, Zheng Z, Hou L, Jiang M, Dong Q, Tian SD, Ma W, Chen J, Wang J, Chen XY.Li DY, et al. Among authors: tian sd.Zhongguo Shi Yan Xue Ye Xue Za Zhi. 2010 Feb;18(1):45-8.Zhongguo Shi Yan Xue Ye Xue Za Zhi. 2010.PMID: 20137116Chinese.
Gao C, Wang J, Li Y, Zhao H, Li R, Hou L, Zhang Y, Tian S, Liang H, Wang C, Chen X, Wang J.Gao C, et al.Medicine (Baltimore). 2018 Aug;97(34):e11860. doi: 10.1097/MD.0000000000011860.Medicine (Baltimore). 2018.PMID: 30142779Free PMC article.Review.