Comparing Three Dual-Task Methods and the Relationship to Physical and Cognitive Impairment in People with Multiple Sclerosis and Controls. Kirkland MC, Wallack EM, Rancourt SN, Ploughman M Mult Scler Int. 2015; 2015:650645. Epub 2015 Nov 23. PMID: 26682069. Abstract CommentRecommendBookmarkWatch