“Isolation of Escherichia Coli from Effluents of Some Damascus University Hospitals and Determination of Their Susceptibility to Beta Lactams Antibiotics”. Damascus University Journal for the basic sciences 39, no. 3 (August 27, 2023). Accessed June 18, 2026. https://journal.damascusuniversity.edu.sy/index.php/basj/article/view/3788.