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Barner-Rasmussen I, Popov P, Böhling T, Tarkkanen M, Sampo M, Tukiainen E.Barner-Rasmussen I, et al.Br J Surg. 2009 May;96(5):482-9. doi: 10.1002/bjs.6581.Br J Surg. 2009.PMID: 19358178