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Hopper-Borge E, Xu X, Shen T, Shi Z, Chen ZS, Kruh GD.Hopper-Borge E, et al. Among authors: chen zs.Cancer Res. 2009 Jan 1;69(1):178-84. doi: 10.1158/0008-5472.CAN-08-1420.Cancer Res. 2009.PMID: 19118001Free PMC article.