R, Suresh kumar. “Screening of ESBL (Extended Spectrum of β - Lactamases) and Amp C β - Lactamases Producers Among Pathogens Causing Urinary Tract Infections”. International Journal of Pharmaceutical & Biological Archive 2, no. 5 (November 11, 2011). Accessed November 22, 2024. http://ijpba.info/index.php/ijpba/article/view/441.