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Smith RE, Bayen UJ.Smith RE, et al. Among authors: bayen uj.J Exp Psychol Learn Mem Cogn. 2004 Jul;30(4):756-77. doi: 10.1037/0278-7393.30.4.756.J Exp Psychol Learn Mem Cogn. 2004.PMID: 15238021Clinical Trial.
Smith RE, Lozito JP, Bayen UJ.Smith RE, et al. Among authors: bayen uj.Psychol Aging. 2005 Sep;20(3):486-92. doi: 10.1037/0882-7974.20.3.486.Psychol Aging. 2005.PMID: 16248707