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Ruan Y, Liu W, Xu X, Weng SQ, Shao SK, Zhou WQ, Teng Z, Gu HX, Zhu ZY, Xu ZY.Ruan Y, et al. Among authors: xu zy, xu x.Zhonghua Shi Yan He Lin Chuang Bing Du Xue Za Zhi. 2001 Sep;15(3):274-6.Zhonghua Shi Yan He Lin Chuang Bing Du Xue Za Zhi. 2001.PMID: 11986705Clinical Trial.Chinese.