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de Graaf EJ, Burger JW, van Ijsseldijk AL, Tetteroo GW, Dawson I, Hop WC.de Graaf EJ, et al.Colorectal Dis. 2011 Jul;13(7):762-7. doi: 10.1111/j.1463-1318.2010.02269.x. Epub 2010 Mar 23.Colorectal Dis. 2011.PMID: 20345967
Grünhagen DJ, van Ierland MC, Doornebosch PG, Bruijninckx MM, Winograd R, de Graaf EJ.Grünhagen DJ, et al. Among authors: de graaf ej.Colorectal Dis. 2011 Nov;13(11):1280-4. doi: 10.1111/j.1463-1318.2010.02515.x.Colorectal Dis. 2011.PMID: 21091600
Doornebosch PG, Tollenaar RA, Gosselink MP, Stassen LP, Dijkhuis CM, Schouten WR, van de Velde CJ, de Graaf EJ.Doornebosch PG, et al. Among authors: de graaf ej.Colorectal Dis. 2007 Jul;9(6):553-8. doi: 10.1111/j.1463-1318.2006.01186.x.Colorectal Dis. 2007.PMID: 17573752
De Graaf EJ, Doornebosch PG, Tollenaar RA, Meershoek-Klein Kranenbarg E, de Boer AC, Bekkering FC, van de Velde CJ.De Graaf EJ, et al. Among authors: de boer ac.Eur J Surg Oncol. 2009 Dec;35(12):1280-5. doi: 10.1016/j.ejso.2009.05.001. Epub 2009 May 31.Eur J Surg Oncol. 2009.PMID: 19487099