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Jacob DA, Schug-Pass C, Sommerer F, Tannapfel A, Lippert H, Köckerling F.Jacob DA, et al. Among authors: tannapfel a.Langenbecks Arch Surg. 2012 Feb;397(2):283-9. doi: 10.1007/s00423-011-0858-8. Epub 2011 Oct 12.Langenbecks Arch Surg. 2012.PMID: 21989559