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van der Ploeg IM, Nieweg OE, van Rijk MC, Valdés Olmos RA, Kroon BB.van der Ploeg IM, et al. Among authors: van rijk mc.Eur J Surg Oncol. 2008 Dec;34(12):1277-84. doi: 10.1016/j.ejso.2008.01.034. Epub 2008 Apr 10.Eur J Surg Oncol. 2008.PMID: 18406100Review.