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Roberts JS, Vavilala MS, Schenkman KA, Shaw D, Martin LD, Lam AM.Roberts JS, et al. Among authors: vavilala ms.Crit Care Med. 2006 Aug;34(8):2217-23. doi: 10.1097/01.CCM.0000227182.51591.21.Crit Care Med. 2006.PMID: 16763506