Wahid, Fazal-i-, Amir Hamza, Qaisar Khan, Bakht Zada, and Iftikhar Ahmad Khan. “AN AUDIT OF TRACHEOSTOMY AT A TERTIARY CARE HOSPITAL”. Journal of Postgraduate Medical Institute 26, no. 2 (March 23, 2012). Accessed May 4, 2024. https://www.jpmi.org.pk/index.php/jpmi/article/view/1252.