IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-9-8-26364 Original Research Paper A PROSPECTIVE RANDOMIZED COMPARATIVE STUDY BETWEEN ULTRA SOUND GUIDANCE VERSUS DUAL GUIDANCE (ULTRA SOUND PLUS NERVE STIMULATOR) TECHNIQUE FOR THE SUCCESS OF POPLITEAL SCIATIC BLOCK IN BELOW KNEE SURGERIES Seema Sharma Dr. August 2020 9 8 01 02