IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-10-3-34241 Original Research Paper Methodology to surgically approach for Lumbar Canal Stenosis;"when to" and "when not to" do instrumental fusion- A Prospective study. Arun Kumar KV Dr. Dr. Pradeep E Dr. Dr. Arivoli Dr. Dr. Rakesh Dr. March 2021 10 3 01 02