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Viskontas IV, Morrison RG, Holyoak KJ, Hummel JE, Knowlton BJ.Viskontas IV, et al. Among authors: hummel je.Psychol Aging. 2004 Dec;19(4):581-91. doi: 10.1037/0882-7974.19.4.581.Psychol Aging. 2004.PMID: 15584784
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Horne Z, Powell D, Hummel JE, Holyoak KJ.Horne Z, et al. Among authors: hummel je.Proc Natl Acad Sci U S A. 2015 Dec 8;112(49):E6727. doi: 10.1073/pnas.1517936112. Epub 2015 Nov 23.Proc Natl Acad Sci U S A. 2015.PMID: 26598649Free PMC article.No abstract available.