Singh, Tushi, Hasham Sarwar, Andres Hurtado, and Ebtesam Islam. “Percutaneous Tracheostomy in Patients With COVID-19 Infection and Acute Respiratory Failure”. The Southwest Respiratory and Critical Care Chronicles 11, no. 48 (July 19, 2023): 9-13. Accessed May 20, 2024. https://pulmonarychronicles.com/index.php/pulmonarychronicles/article/view/1205.