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Liu Y, Sturgis CD, Bunker M, Saad RS, Tung M, Raab SS, Silverman JF.Liu Y, et al.Mod Pathol. 2004 Sep;17(9):1129-33. doi: 10.1038/modpathol.3800162.Mod Pathol. 2004.PMID: 15133478Free article.