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Hua YP, Huang JF, Liang LJ, Li SQ, Lai JM, Liang HZ.Hua YP, et al. Among authors: liang lj, liang hz.Zhonghua Wai Ke Za Zhi. 2005 Jun 1;43(11):721-5.Zhonghua Wai Ke Za Zhi. 2005.PMID: 16008961Chinese.