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Senn A, Button D, Zollinger A, Hofer CK.Senn A, et al. Among authors: hofer ck.Crit Care. 2009;13(2):R32. doi: 10.1186/cc7739. Epub 2009 Mar 4.Crit Care. 2009.PMID: 19261180Free PMC article.
Hofer CK, Lang D, Suhner M, Straumann E, Zollinger A.Hofer CK, et al.Anaesthesist. 2003 Apr;52(4):326-8. doi: 10.1007/s00101-003-0457-3.Anaesthesist. 2003.PMID: 12715135German.