Laparoscopic surgery for the cure of colorectal cancer : Results of a German Five-Center Study von SCHIEDECK, T. H. K, SCHWANDNER, O, BACA, I, BAEHRLEHNER, E, KONRADT, J, KÖCKERLING, F, KUTHE, A, BUERK, C, HEROLD, A, BRUCH, H.-P

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