Faiza Liaqat, Wajeeha Naeem,, Muhammad Shafee, & Ghulam Ishaq Khan, Ali Akbar. " 2. Multidrug resistance in pathogenic Escherichia coli; a public health concern." Pure and Applied Biology (PAB) [Online], 8.3 (0): 2104-2118. Web. 7 Aug. 2020