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

West, Brady Thomas; Jackson, James Sidney; Williams, David R.; Gonzalez, Hector M; Whitfield, Keith E; Lichtenberg, Peter A. (2007). 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. Archives of Clinical Neuropsychology. 22(5), 605-613.