A. Ali Al-Tufaili, F. Salim Manhal, and A. Kadhim Naeem, “The correlation between some pathogenicity associated virulence factor and biofilm formation among uropathogenic Escherichia coli isolates in Al Najaf Al-Ashraf province”, Kufa Jour. Bio., vol. 8, no. 2, pp. 94–104, Aug. 2016.