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Frank AJ, Sheu CC, Zhao Y, Chen F, Su L, Gong MN, Bajwa E, Thompson BT, Christiani DC.Frank AJ, et al.Crit Care Med. 2012 Jul;40(7):2116-23. doi: 10.1097/CCM.0b013e3182514bca.Crit Care Med. 2012.PMID: 22710204Free PMC article.