Z. Al-Hasso, M., امیرة, H. Khalaf, S. and قاسم 2025. Resistance of some Gram Negative Enteric Bacilli Isolated from Lower Respiratory Tract Infections to β-lactam Antibiotics. Rafidain Journal of Science. 24, 12 (Jun. 2025), 66–79. DOI:https://doi.org/10.33899/rjs.2013.80271.