IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-12-4-48486 Original Research Paper Comparison Of Efficacy Of Transdermal Buprenorphine Patch Versus Oral Tramadol For The Treatment Of Post-Operative Pain Management Following Surgery For Neck Of Femur Fracture. Rajvi M. Shah Dr. April 2023 12 4 01 02