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Graveland AP, de Maaker M, Braakhuis BJ, de Bree R, Eerenstein SE, Bloemena E, Leemans CR, Brakenhoff RH.Graveland AP, et al. Among authors: braakhuis bj.Cell Oncol. 2009;31(4):317-28. doi: 10.3233/CLO-2009-0474.Cell Oncol. 2009.PMID: 19633367Free PMC article.