Karna, Amit Kumar, and Khalid Bashir. “Relationship of Neck Circumference and Difficult Endotracheal Intubation in Obese Patients”. Janaki Medical College Journal of Medical Science 4, no. 2 (March 29, 2017): 3–9. Accessed May 21, 2024. https://www.nepjol.info/index.php/JMCJMS/article/view/17070.