Ojeniweh, O. N.; Ezema, C. I.; Anekwu, E. M.; Amaeze, A. A.; Olowe, O. O.; Okoye, G. C. Efficacy of Six Weeks Infrared Radiation Therapy on Chronic Low Back Pain and Functional Disability in National Orthopaedic Hospital, Enugu, South East, Nigeria. The Nig Health J 2016, 15, 155.