Osti, Chadani, Deepa Wosti, Bimala Pandey, and Qinghua Zhao. “Ventilator-Associated Pneumonia and Role of Nurses in Its Prevention”. Journal of Nepal Medical Association 56, no. 208 (December 31, 2017): 461-8. Accessed July 21, 2019. http://www.jnma.com.np/jnma/index.php/jnma/article/view/3270.