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Hsieh RL, Lo MT, Liao WC, Lee WC.Hsieh RL, et al.Arch Phys Med Rehabil. 2012 May;93(5):757-64. doi: 10.1016/j.apmr.2012.01.003. Epub 2012 Mar 28.Arch Phys Med Rehabil. 2012.PMID: 22459700Clinical Trial.