Dolatyar Dehkharghani, Alireza, Rahbar, Mohammad, Haghighat, Setareh, Rahnamaye Farzami, Marjan (2020). Molecular typing of β -lactamase -producing Escherichia coli: Multiple Locus variable number tandem repeat analysis Versus Pulsed-field gel electrophoresis. *Journal of Microbial World*, 13(4), 360-368.