1. Outcome comparison of workers' compensation and noncompensation low back pain in a highly structured functional restoration program;Ambrosius;J Orthop Sports Phys Ther,1995
2. Point of view;Atlas;Spine,1997
3. Changes in MMPI profile levels of chronic low back pain patients following successful treatment;Barnes Gatchel;J Spinal Disord,1990
4. Compensation and recovery from injury;Beals;West J Med,1984
5. A prospective study of LBP in a general population: II;Biering-Sorenson;Location, character, aggravating and relieving factors Scand J Rehabil Med,1983