Malik, Muhammad Irfan, Muna Malik, and Aneela Chaudhary. 2018. “Antimicrobial Susceptibility Pattern of Bacteria Isolated from Tracheal Secretions in Intensive Care Units Admitted Patients of Lahore General Hospital”. Pakistan Journal of Chest Medicine 24 (2):72-77. https://pjcm.net/index.php/pjcm/article/view/517.