IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-12-10-52813 Original Research Paper Chemical Lumbar Sympathectomy In A Patient With Two Times Failed Aortofemoral Bypass Graft With Non Healing Post Amputation Wound With Chronic Ischemic Pain. Ruby Guleria Dr. October 2023 12 10 01 02