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Wolf S, Foley S, Budiman-Mak E, Moritz T, O'Connell S, Jelinek C, Collins EG.Wolf S, et al.J Rehabil Res Dev. 2010;47(3):171-81. doi: 10.1682/jrrd.2009.08.0136.J Rehabil Res Dev. 2010.PMID: 20665344Free article.Clinical Trial.