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van Heumen BW, Nieuwenhuis MH, van Goor H, Mathus-Vliegen LE, Dekker E, Gouma DJ, Dees J, van Eijck CH, Vasen HF, Nagengast FM.van Heumen BW, et al.Surgery. 2012 May;151(5):681-90. doi: 10.1016/j.surg.2011.12.008. Epub 2012 Jan 21.Surgery. 2012.PMID: 22265391