Bora, A, GU Ahmed, and NK Hazarika. 2013. “Phenotypic Detection of Extended Spectrum ?-Lactamase and AmpC ?-Lactamase in Urinary Isolates of Escherichia Coli at a Tertiary Care Referral Hospital in Northeast India”. Journal of College of Medical Sciences-Nepal 8 (3):22-29. https://doi.org/10.3126/jcmsn.v8i3.8682.