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Hockley SJ, Hamilton V, Young RJ, Chapman MJ, Taylor J, Creed S, Chorley DP, Williams DB, de M Tippett M.Hockley SJ, et al. Among authors: chapman mj.Crit Care Resusc. 2007 Sep;9(3):251-5.Crit Care Resusc. 2007.PMID: 17767451Clinical Trial.