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Silbert BS, Scott DA, Evered LA, Lewis MS, Maruff PT.Silbert BS, et al.Anesth Analg. 2007 May;104(5):1023-8, tables of contents. doi: 10.1213/01.ane.0000263285.03361.3a.Anesth Analg. 2007.PMID: 17456647