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Schmidt JE, Berens RJ, Zollo MB, Weisner M, Weigle CG.Schmidt JE, et al. Among authors: berens rj.Arch Phys Med Rehabil. 1998 Dec;79(12):1565-9. doi: 10.1016/s0003-9993(98)90422-1.Arch Phys Med Rehabil. 1998.PMID: 9862302