Rukhsana Firdous , Safia Ahmed,Shabbir Ahmad Chaudhary , Ahsan Ahmad ,Naeem Akhtar (2011) “Evaluation of Resistance in Clinical Isolates of E. coli, S. aureus, and P. aeruginosa against β-lactam Antibiotics and Gentamicin”, Journal of Rawalpindi Medical College, 15(1). Available at: http://journalrmc.com/index.php/JRMC/article/view/637 (Accessed: 6 May 2024).