IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-12-8-51648 Original Research Paper Co-Relation Between Modic Changes In Lumbar Spine With Diagnostic Lumbar Facet Medial Branch Blocks For Relief Of Chronic Non Specific Low Back Pain Biraj Majumder Dr. Dr. Hammad Usmani Dr. Dr. Abdul Qayyum Khan Dr. August 2023 12 8 01 02