1. Interdisciplinary Rehabilitation of Low Back Pain,1989
2. Physical examination of lumbosacral pain;Kozinn,1989
3. M.D. Brown, Low back pain and sciatica: an easy approach to diagnosis and prognosis. Consultant, February (1991) 23–35
4. A system for evaluating and treating chronic back disability;Mooney;Western Journal of Medicine,1976
5. Back pain distribution patterns: relationship to subjective measures of pain severity and disability;Bolton;J. Manipulative Physiol. Ther.,1994