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Powers SK, Hudson MB, Nelson WB, Talbert EE, Min K, Szeto HH, Kavazis AN, Smuder AJ.Powers SK, et al. Among authors: smuder aj.Crit Care Med. 2011 Jul;39(7):1749-59. doi: 10.1097/CCM.0b013e3182190b62.Crit Care Med. 2011.PMID: 21460706Free PMC article.