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Stevens SL, Holbrook EA, Fuller DK, Morgan DW.Stevens SL, et al. Among authors: morgan dw.Arch Phys Med Rehabil. 2010 Dec;91(12):1891-6. doi: 10.1016/j.apmr.2010.08.015.Arch Phys Med Rehabil. 2010.PMID: 21112431Free PMC article.