1. A Primer of Orthopaedic Biomechanics;Cochran,1982
2. Walking and Limping: a Study of Normal and Pathological Walking;Ducroquet,1968
3. Low Back Pain;Finneson,1973
4. Evaluation of a daily activity diary for chronic pain patients;Follick;Pain,1984
5. Behavioral Methods for Chronic Pain and Illness;Fordyce,1976