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van der Pas MH, Haglind E, Cuesta MA, Fürst A, Lacy AM, Hop WC, Bonjer HJ; COlorectal cancer Laparoscopic or Open Resection II (COLOR II) Study Group.van der Pas MH, et al.Lancet Oncol. 2013 Mar;14(3):210-8. doi: 10.1016/S1470-2045(13)70016-0. Epub 2013 Feb 6.Lancet Oncol. 2013.PMID: 23395398Clinical Trial.