Ommid, M., H. Manzoor, S. Ahad, M. A. dar, A. Taj, F. Bashir, and M. A. Rather. “An Observational Prospective Study on Incidence of Ventilator Associated Pneumonia (VAP) in Patients With Continuous Endotracheal-Tube Cuff-Pressure Control System”. International Journal of Health and Clinical Research, vol. 4, no. 7, Apr. 2021, pp. 242-7, https://ijhcr.com/index.php/ijhcr/article/view/1365.