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Wang XL, Wu YH, Xu ZG, Ni S, Liu J.Wang XL, et al. Among authors: xu zg.Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi. 2009 Feb;44(2):136-40.Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi. 2009.PMID: 19558888Clinical Trial.Chinese.
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