IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-10-1-32910 Original Research Paper ASSOCIATION OF ABO BLOOD GROUP AND BREAST CARCINOMA AMONG CASES ATTENDING A TERTIARY CARE HOSPITAL, KOLKATA Priyanka Saha Dr. Dr. Nandadulal Mukherjee Dr. Dr. Debarshi Jana Dr. January 2021 10 1 01 02