Bari, F., H. Shah, and R. Wazir. “FREQUENCY AND DETECTION OF EXTENDED SPECTRUM BETALACTAMASE IN ESCHERICHIA COLI AND KLEBSIELLA PNEUMONIAE: A STUDY AT LADY READING HOSPITAL PESHAWAR”. Journal of Postgraduate Medical Institute, vol. 29, no. 4, Jan. 2016, https://www.jpmi.org.pk/index.php/jpmi/article/view/1735.