Talaie, H., et al. “A Survey on Microorganisms and Their Sensitivity by E-Test Inventilator-Associated Pneumonia at Toxicological-IntensiveCare Unit of Loghman-Hakim Hospital”. Acta Biomedica Atenei Parmensis, vol. 81, no. 3, Feb. 2011, pp. 210-6, https://mattioli1885journals.com/index.php/actabiomedica/article/view/798.