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Hicks GE, Fritz JM, Delitto A, McGill SM.Hicks GE, et al. Among authors: fritz jm.Arch Phys Med Rehabil. 2005 Sep;86(9):1753-62. doi: 10.1016/j.apmr.2005.03.033.Arch Phys Med Rehabil. 2005.PMID: 16181938
Brennan GP, Fritz JM, Hunter SJ, Thackeray A, Delitto A, Erhard RE.Brennan GP, et al. Among authors: fritz jm.Spine (Phila Pa 1976). 2006 Mar 15;31(6):623-31. doi: 10.1097/01.brs.0000202807.72292.a8.Spine (Phila Pa 1976). 2006.PMID: 16540864Clinical Trial.