Aditya Kumar Chauhan, Hem Chandra Bhatt, and Shailesh Kumar Lohani. “A Prospective Randomized Controlled Study to Compare, Intraoperative Ventilatory Parameters, Insertion Success Rate & Oropharyngeal Leak Pressure of Three Airway Devices the Esophageal-Tracheal Combitube, the EasyTube and the Laryngeal Tube-S”. Asian Journal of Medical Research 8, no. 4 (December 29, 2019): AN01-AN06. Accessed April 25, 2024. http://aijournals.com/index.php/ajmr/article/view/1198.