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Isbister GK, Friberg LE, Duffull SB.Isbister GK, et al. Among authors: duffull sb.Intensive Care Med. 2006 Jul;32(7):1060-5. doi: 10.1007/s00134-006-0183-9. Epub 2006 May 10.Intensive Care Med. 2006.PMID: 16791669