Qureshi, Sajjad, Amanat Khan, Nazir Ahmed Malik, and Muhammad Saeed Mughal. “Significance of Ratio of the Neck Circumference and Thyromental Distance As a Predictor of Difficult Intubation in Obese Patients”. Pakistan Armed Forces Medical Journal 72, no. SUPPL-2 (June 7, 2022): S355–58. Accessed November 3, 2024. https://pafmj.org/PAFMJ/article/view/4847.