References
Hall, Hamilton. Examination of the Patient With Low Back Pain. Bulletin on the Rheumatic Diseases, 1983.
Malanga, G. & Nadler, S. Nonoperative Treatment of Low Back Pain. Mayo Clin Proc. November, 1999.
Deyo, R. “Managing Low Back Pain.” Paradigm: A Practical Guide. University of Washington School of Medicine, 1998.