Isolation of Escherichia coli from effluents of some Damascus University hospitals and determination of their susceptibility to Beta lactams Antibiotics. مجلة العلوم الأساسية [Internet]. 2023 Aug. 27 [cited 2026 Jun. 18];39(3). Available from: https://journal.damascusuniversity.edu.sy/index.php/basj/article/view/3788