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Hagberg CA, Jensen FS, Genzwuerker HV, Krivosic-Horber R, Schmitz BU, Hinkelbein J, Contzen M, Menu H, Bourzoufi K.Hagberg CA, et al.Anesth Analg. 2005 Dec;101(6):1862-1866. doi: 10.1213/01.ANE.0000184181.92140.7C.Anesth Analg. 2005.PMID: 16301275