IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-12-4-48480 Original Research Paper Elective Awake Percutaneous Tracheostomy: Securing Definitive Airway In A Patient With Nil Mouth Opening And Bilateral Nasal Obstruction Preoperatively. Vaibhav Singh Dr. Dr. Indu Singh Dr. April 2023 12 4 01 02