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Thurston RC, Matthews KA, Hernandez J, De La Torre F.Thurston RC, et al.Psychophysiology. 2009 Mar;46(2):285-92. doi: 10.1111/j.1469-8986.2008.00770.x. Epub 2009 Jan 26.Psychophysiology. 2009.PMID: 19170952Free PMC article.