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 [Internet]. 2023 Apr. 12 [cited 2025 Sep. 5];3(4):434-9. Available from: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/1668