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Hu X, Tong K, Tsang VS, Song R.Hu X, et al.Arch Phys Med Rehabil. 2006 May;87(5):671-9. doi: 10.1016/j.apmr.2006.02.003.Arch Phys Med Rehabil. 2006.PMID: 16635630
Hu X, Tong KY, Song R, Tsang VS, Leung PO, Li L.Hu X, et al.Arch Phys Med Rehabil. 2007 Aug;88(8):1022-9. doi: 10.1016/j.apmr.2007.05.006.Arch Phys Med Rehabil. 2007.PMID: 17678665
Hu XL, Song R, Tong KY, Tsang SF, Leung OY, Li L.Hu XL, et al.Conf Proc IEEE Eng Med Biol Soc. 2006;2006:4933-5. doi: 10.1109/IEMBS.2006.259575.Conf Proc IEEE Eng Med Biol Soc. 2006.PMID: 17945868
Song R, Tong KY, Hu XL, Tsang SF, Li L.Song R, et al. Among authors: hu xl.Conf Proc IEEE Eng Med Biol Soc. 2006;2006:4945-8. doi: 10.1109/IEMBS.2006.260186.Conf Proc IEEE Eng Med Biol Soc. 2006.PMID: 17946664
Song R, Tong KY, Hu XL.Song R, et al.Arch Phys Med Rehabil. 2008 Jun;89(6):1140-5. doi: 10.1016/j.apmr.2007.10.035.Arch Phys Med Rehabil. 2008.PMID: 18503812
Song R, Tong KY, Hu X, Li L.Song R, et al. Among authors: hu x.IEEE Trans Neural Syst Rehabil Eng. 2008 Aug;16(4):371-9. doi: 10.1109/TNSRE.2008.926707.IEEE Trans Neural Syst Rehabil Eng. 2008.PMID: 18701384Free article.
Song R, Tong KY, Hu X, Li L, Sun R.Song R, et al. Among authors: hu x.Exp Brain Res. 2013 Sep;229(3):373-82. doi: 10.1007/s00221-013-3418-3. Epub 2013 Feb 1.Exp Brain Res. 2013.PMID: 23371751