“Status of extended spectrum beta lactamase producing Escherichia Coli and Klebsiella species in urinary tract infection”, Journal of Institute of Medicine, vol. 28, no. 2, pp. 24–29, Oct. 2007, Accessed: Jul. 16, 2026. [Online]. Available: https://www.nepjol.info/index.php/JIOM/article/view/594