Comment on

• Diagnosis by the physical therapist--a prerequisite for treatment. A special communication.

  Sahrmann SA. Sahrmann SA. Phys Ther. 1988 Nov;68(11):1703-6. doi: 10.1093/ptj/68.11.1703. Phys Ther. 1988. PMID: 3054944 Review.
• Evidence for use of an extension-mobilization category in acute low back syndrome: a prescriptive validation pilot study.

  Delitto A, Cibulka MT, Erhard RE, Bowling RW, Tenhula JA. Delitto A, et al. Phys Ther. 1993 Apr;73(4):216-22; discussion 223-8. doi: 10.1093/ptj/73.4.216. Phys Ther. 1993. PMID: 8456141 Clinical Trial.
• Classification and low back pain: a review of the literature and critical analysis of selected systems.

  Riddle DL. Riddle DL. Phys Ther. 1998 Jul;78(7):708-37. doi: 10.1093/ptj/78.7.708. Phys Ther. 1998. PMID: 9672545 Review.
• Use of a classification system to guide nonsurgical management of a patient with chronic low back pain.

  Maluf KS, Sahrmann SA, Van Dillen LR. Maluf KS, et al. Phys Ther. 2000 Nov;80(11):1097-111. Phys Ther. 2000. PMID: 11046197