PHENOTYPIC DETECTION OF EXTENDED SPECTRUM BETA LACTAMASES IN ESCHERICHIA COLI AND KLEBSIELLA PNEUMONIAE ISOLATED FROM PATIENTS AT THE FEDERAL TEACHING HOSPITAL GOMBE, GOMBE STATE, NIGERIA. FJS. 2023;3(4):434-439. Accessed September 5, 2025. https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/1668