IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-10-7-35839 Original Research Paper Result of slow infusion of streptokinase therapy in left sided prosthetic valve thrombotic occlusion- A case series from a tertiary care hospital in Eastern India Mandal Dr. Kaushik Banerjee Dr. July 2021 10 7 01 02