Sultan, M. A., M. Masood, S. G. Shabbir, S. Sheikh, S. U. B. Naqvi, and M. A. Butt. “Frequency of Ventilator Associated Pneumonia in Pediatric ICU of Allied Hospital, Faisalabad”. Annals of Punjab Medical College, Vol. 11, no. 3, Sept. 2017, pp. 261-4, doi:10.29054/apmc/2017.208.