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George SZ, Fritz JM, McNeil DW.George SZ, et al. Among authors: fritz jm.Clin J Pain. 2006 Feb;22(2):197-203. doi: 10.1097/01.ajp.0000148627.92498.54.Clin J Pain. 2006.PMID: 16428956Clinical Trial.
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.
Asche CV, Kirkness CS, McAdam-Marx C, Fritz JM.Asche CV, et al. Among authors: fritz jm.J Pain Palliat Care Pharmacother. 2007;21(4):25-33.J Pain Palliat Care Pharmacother. 2007.PMID: 18032313Review.
Fritz JM, Hebert J, Koppenhaver S, Parent E.Fritz JM, et al.Spine (Phila Pa 1976). 2009 Dec 1;34(25):2803-9. doi: 10.1097/BRS.0b013e3181ae2bd4.Spine (Phila Pa 1976). 2009.PMID: 19910868