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Peng Q, Park HS, Shah P, Wilson N, Ren Y, Wu YN, Liu J, Gaebler-Spira DJ, Zhang LQ.Peng Q, et al.J Rehabil Res Dev. 2011;48(4):473-81. doi: 10.1682/jrrd.2010.04.0053.J Rehabil Res Dev. 2011.PMID: 21674395Free PMC article.
Chen K, Wu YN, Ren Y, Liu L, Gaebler-Spira D, Tankard K, Lee J, Song W, Wang M, Zhang LQ.Chen K, et al.Arch Phys Med Rehabil. 2016 Aug;97(8):1237-43. doi: 10.1016/j.apmr.2016.01.029. Epub 2016 Feb 20.Arch Phys Med Rehabil. 2016.PMID: 26903143Clinical Trial.