Shazia Hyder, Samina Baig, Sambreen Zameer, Shaheen Sharafat, Rafique Khanani,Shaheen Akbar Agha, Muhammad Akbar Agha, “Frequency of Fluoroquinolone (Ofloxacin) Resistance In Escherichia Coli Urinary Isolates ”, JPUMHS, vol. 4, no. 2, pp. 63–67, Jun. 2014.