Footfall Placement Variability and Falls in Multiple Sclerosis. Socie MJ, Sandroff BM, Pula JH, Hsiao-Wecksler ET, Motl RW, Sosnoff JJ Ann Biomed Eng. 2012 Nov 7. Epub 2012 Nov 07. PMID: 23132152. Abstract CommentRecommendBookmarkWatch