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Nagtegaal ID, van de Velde CJ, van der Worp E, Kapiteijn E, Quirke P, van Krieken JH; Cooperative Clinical Investigators of the Dutch Colorectal Cancer Group.Nagtegaal ID, et al. Among authors: quirke p.J Clin Oncol. 2002 Apr 1;20(7):1729-34. doi: 10.1200/JCO.2002.07.010.J Clin Oncol. 2002.PMID: 11919228Free article.Clinical Trial.
Nagtegaal ID, van de Velde CJ, Marijnen CA, van Krieken JH, Quirke P; Dutch Colorectal Cancer Group; Pathology Review Committee.Nagtegaal ID, et al. Among authors: quirke p.J Clin Oncol. 2005 Dec 20;23(36):9257-64. doi: 10.1200/JCO.2005.02.9231.J Clin Oncol. 2005.PMID: 16361623Clinical Trial.