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Wu T, Lu M, Hu Y, Guo Q, Xu C.Wu T, et al. Among authors: xu c.Zhonghua Nan Ke Xue. 2004 Sep;10(9):651-4.Zhonghua Nan Ke Xue. 2004.PMID: 15497702Chinese.
Shi J, Yang Z, Wang M, Cheng G, Li D, Wang Y, Zhou Y, Liu X, Xu C.Shi J, et al. Among authors: xu c.Infect Immun. 2007 Apr;75(4):2004-11. doi: 10.1128/IAI.01171-06. Epub 2007 Feb 5.Infect Immun. 2007.PMID: 17283099Free PMC article.
Wang M, Shi JL, Cheng GY, Hu YQ, Xu C.Wang M, et al. Among authors: xu c.Asian J Androl. 2009 Mar;11(2):183-92. doi: 10.1038/aja.2008.59. Epub 2009 Feb 16.Asian J Androl. 2009.PMID: 19219058Free PMC article.