IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-10-3-33870 Original Research Paper EFFICACY OF ULTRASOUND-GUIDED AUTOLOGOUS BLOOD INJECTION VERSUS EXTRACORPOREAL SHOCKWAVE THERAPY IN CHRONIC ACHILLES TENDINOPATHY: A RANDOMIZED CONTROLLED TRIAL Jerang Dr. Jotin Yengkhom Dr. Dharshan Narasa Anantharaman Dr. March 2021 10 3 01 02