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Mäkäräinen-Uhlbäck E, Vironen J, Vaarala M, Nordström P, Välikoski A, Kössi J, Falenius V, Kechagias A, Mattila A, Ohtonen P, Scheinin T, Rautio T.Mäkäräinen-Uhlbäck E, et al.BMC Surg. 2021 May 3;21(1):231. doi: 10.1186/s12893-021-01228-w.BMC Surg. 2021.PMID: 33941154Free PMC article.