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Kulu Y, Ulrich A, Bruckner T, Contin P, Welsch T, Rahbari NN, Büchler MW, Weitz J; International Study Group of Rectal Cancer.Kulu Y, et al.Surgery. 2013 Jun;153(6):753-61. doi: 10.1016/j.surg.2013.02.007. Epub 2013 Apr 25.Surgery. 2013.PMID: 23623834
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