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Armstrong AJ, Garrett-Mayer E, de Wit R, Tannock I, Eisenberger M.Armstrong AJ, et al.Clin Cancer Res. 2010 Jan 1;16(1):203-11. doi: 10.1158/1078-0432.CCR-09-2514. Epub 2009 Dec 15.Clin Cancer Res. 2010.PMID: 20008841