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Brandenburg JE, Krach LE, Gormley ME Jr.Brandenburg JE, et al. Among authors: krach le.Am J Phys Med Rehabil. 2013 Oct;92(10):898-904. doi: 10.1097/PHM.0b013e31829231fa.Am J Phys Med Rehabil. 2013.PMID: 23636084Free PMC article.