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Liu H, Xiong M, Xia YF, Cui NJ, Lu RB, Deng L, Lin YH, Rong TH.Liu H, et al.Int J Radiat Oncol Biol Phys. 2009 Apr 1;73(5):1552-9. doi: 10.1016/j.ijrobp.2008.12.005.Int J Radiat Oncol Biol Phys. 2009.PMID: 19306752
Chen EC, Liu MZ, Hu YH, Liu H, Li QQ, Cai L, Huang Y, Lin HX, Wang HY, Liu H, Cui NJ.Chen EC, et al. Among authors: liu h, liu mz.Ai Zheng. 2005 Apr;24(4):498-501.Ai Zheng. 2005.PMID: 15820078Chinese.
Cai L, Liu MZ, Gu MF, Liu H, Chen EC, Hu YH, Lin HX, Wang HY, Huang Y, Li QQ, Cui NJ, Rong TH.Cai L, et al. Among authors: liu h, liu mz.Ai Zheng. 2005 May;24(5):582-6.Ai Zheng. 2005.PMID: 15890102Chinese.
Zhang YJ, Hu WH, Liu H, Cheng EC, Ren ZM, Xia YF, Cui NJ.Zhang YJ, et al. Among authors: liu h.Zhonghua Zhong Liu Za Zhi. 2006 Jan;28(1):50-3.Zhonghua Zhong Liu Za Zhi. 2006.PMID: 16737622Chinese.
Li QQ, Liu MZ, Hu YH, Liu H, Huang Y, Cui NJ.Li QQ, et al. Among authors: liu h, liu mz.Ai Zheng. 2006 Jun;25(6):723-7.Ai Zheng. 2006.PMID: 16764768Chinese.
Yang J, Liu MZ, Cai L, Hu YH, Liu H, Li QQ, Cui NJ.Yang J, et al. Among authors: liu h, liu mz.Ai Zheng. 2008 Jun;27(6):622-6.Ai Zheng. 2008.PMID: 18570737Free article.Clinical Trial.Chinese.
Zheng YJ, Zhao C, Fan W, Liu H, Cui NJ, Chen FJ.Zheng YJ, et al. Among authors: liu h.Zhonghua Yi Xue Za Zhi. 2007 Oct 16;87(38):2698-702.Zhonghua Yi Xue Za Zhi. 2007.PMID: 18167248Chinese.
Liu MZ, Wang XS, Cai L, Gu MF, Liu H, Li Q, Cui NJ, Zhang YQ, Li GH, Li JQ.Liu MZ, et al. Among authors: liu h.Ai Zheng. 2005 Jan;24(1):82-6.Ai Zheng. 2005.PMID: 15642207Clinical Trial.Chinese.