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Ortega A, Gómez-Ariza CJ, Román P, Bajo MT.Ortega A, et al.J Exp Psychol Learn Mem Cogn. 2012 Jan;38(1):178-86. doi: 10.1037/a0024510. Epub 2011 Jul 18.J Exp Psychol Learn Mem Cogn. 2012.PMID: 21767066