Rafique, Ayesha, Farhan Rasheed, Muhammad Saeed, Sajjad Hassan, Syeda Fatima Nadeem, and Ambereen Anwar Imran. 2019. “Epidemiology of Extended Spectrum Beta Lactamase Producing Gram Negative Rods”. Journal of Liaquat University of Medical & Health Sciences 18 (02):164-68. http://121.52.154.205/index.php/jlumhs/article/view/152.