Analysis of the psychometric properties of the Multiple Sclerosis Impact Scale-29 (MSIS-29) in relapsing-remitting multiple sclerosis using classical and modern test theory.
Bacci ED, Wyrwich KW, Phillips GA, Vollmer T, Guo S. Analysis of the psychometric properties of the Multiple Sclerosis Impact Scale-29 (MSIS-29) in relapsing-remitting multiple sclerosis using classical and modern test theory. Mult Scler J Exp Transl Clin. 2016 Jan-Dec; 2:2055217316673235.