Measuring Self-Reported Functional Status and Pain in Patients with Chronic Low Back Pain by Postal Questionnaires : A Reliability Study

Biomechanics Laboratory National Hospital Orthopaedic Department University Of Oslo

Biomechanics Laboratory National Hospital Orthopaedic Department University Of Oslo

Department Of Physiotherapy National Hospital Orthopaedic Department University Of Oslo

Biomechanics Laboratory National Hospital Orthopaedic Department University Of Oslo

Norwegian University of Sport and Physical Education

Department of Orthopaedics, Rikshospitalet University Hospital