Anxiety and depression affect performance on the symbol digit modalities test over time in MS and other immune disorders (2021)
Author(s): RA Marrie, R Patel, CN Bernstein, JM Bolton, LA Graff, JJ Marriott, CA Hitchon, CR Figley, J Kornelsen, and JD Fisk for the Comorbidity and Cognition in Multiple Sclerosis (CCOMS) Study Group and the CIHR Team in Defining the Burden and Mitigating the Impact of Psychiatric Comorbidity in Immuno-Inflammatory Disease
Multiple Sclerosis Journal 27(8): 1284-1292