S. Manzoor, F. Batool, M. A. Sayeed, A. K. Dhiloo, H. M. Ismail, and S. Baqi, “VENTILATOR ASSOCIATED PNEUMONIA IN TRAUMA PATIENTS; ASSOCIATED RISK FACTORS, MICROBIAL ETIOLOGY AND OUTCOME”, Pak Armed Forces Med J, vol. 71, no. 4, pp. 1476–80, Sep. 2021, doi: 10.51253/pafmj.v71i4.6278.