M. A. Sultan, 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”, apmc, vol. 11, no. 3, pp. 261–264, Sep. 2017.