IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-10-11-37852 Original Research Paper Renal Vein Thrombosis with Infrahepatic Inferior Vena Cava extension in a case of Anti dsDNA antibody negative Lupus Nephritis Abhishek Shetty Dr. November 2021 10 11 01 02