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Singer P, Anbar R, Cohen J, Shapiro H, Shalita-Chesner M, Lev S, Grozovski E, Theilla M, Frishman S, Madar Z.Singer P, et al. Among authors: shapiro h.Intensive Care Med. 2011 Apr;37(4):601-9. doi: 10.1007/s00134-011-2146-z. Epub 2011 Feb 22.Intensive Care Med. 2011.PMID: 21340655Clinical Trial.