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Machare-Delgado E, Decaro M, Marik PE.Machare-Delgado E, et al. Among authors: marik pe.J Intensive Care Med. 2011 Mar-Apr;26(2):116-24. doi: 10.1177/0885066610384192.J Intensive Care Med. 2011.PMID: 21595098Clinical Trial.