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Hebert JJ, Fritz JM, Koppenhaver SL, Thackeray A, Kjaer P.Hebert JJ, et al. Among authors: fritz jm.Eur Spine J. 2016 Jan;25(1):310-317. doi: 10.1007/s00586-015-3916-z. Epub 2015 Apr 4.Eur Spine J. 2016.PMID: 25840784
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.