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Karnatovskaia LV, Lee AS, Gajic O, Festic E; U.S. Critical Illness and Injury Trials Group: Lung Injury Prevention Study Investigators (USCIITG–LIPS).Karnatovskaia LV, et al.Crit Care Med. 2013 Jul;41(7):1679-85. doi: 10.1097/CCM.0b013e31828a1fc7.Crit Care Med. 2013.PMID: 23660730Free PMC article.