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Stelfox HT, Straus SE, Nathens A, Bobranska-Artiuch B.Stelfox HT, et al.Crit Care Med. 2011 Apr;39(4):846-59. doi: 10.1097/CCM.0b013e31820a859a.Crit Care Med. 2011.PMID: 21317653Review.