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Liu J, Liu Y, Wang HW, Li JY, Han T, Liang J, Yang CS, Xing M, Feng ZC.Liu J, et al. Among authors: liu y.Zhonghua Er Ke Za Zhi. 2013 Sep;51(9):644-8.Zhonghua Er Ke Za Zhi. 2013.PMID: 24330981Chinese.
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