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Modified-Symbol Digit Modalities Test for African Americans, Caribbean Black Americans, and non-Latino Whites: nationally representative normative data from the National Survey of American Life.
González HM, Whitfield KE, West BT, Williams DR, Lichtenberg PA, Jackson JS. González HM, et al. Among authors: whitfield ke. Arch Clin Neuropsychol. 2007 Jun;22(5):605-13. doi: 10.1016/j.acn.2007.04.002. Epub 2007 May 9. Arch Clin Neuropsychol. 2007. PMID: 17493782 Free PMC article.
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