IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-9-7-31065 Original Research Paper EVALUATION OF DIFFERENT PHENOTYPIC METHODS FOR THE DETECTION OF METALLO -?-LACTAMASE (MBL) PRODUCTION IN GRAM NEGATIVE BACTERIA. Sheetal Sharma Dr. Dr. Vipin Kathuria Dr. July 2020 9 7 01 02