“Frequency of AmpC β-Lactamases in Multi-Drug Resistant Isolates of Escherichia Coli at Tertiary Care Hospital”, mfm, vol. 32, no. 10, Nov. 2021, Accessed: Aug. 15, 2026. [Online]. Available: https://medicalforummonthly.com/index.php/mfm/article/view/1401