Jampala, B. L., S. Toleti, S. R. Kolipaka, and R. B. Myneni. “A Clinico - Microbiological Study in Patients Undergoing Mechanical Ventilation in a Tertiary Care Hospital”. International Journal of Research in Medical Sciences, vol. 4, no. 7, Jan. 2017, pp. 2856-8, doi:10.18203/2320-6012.ijrms20161964.