Swain, Santosh Kumar, and Pragnya Paramita Jena. 2021. “Role of Early Tracheostomy for Preventing Ventilator Associated Pneumonia in Intensive Care Unit: A Review”. International Journal of Otorhinolaryngology and Head and Neck Surgery 7 (6):1083-88. https://doi.org/10.18203/issn.2454-5929.ijohns20212139.