Mallhi, Arif Iftikhar, Nighat Abbas, Syed Muhammad Nadeem Naqvi, Ghulam Murtaza, Muhammad Rafique, and Syed Sajjad Alam. “A Comparison of Mallampati Classification, Thyromental Distance and a Combination of Both to Predict Difficult Intubation”. Anaesthesia, Pain & Intensive Care 22, no. 4 (July 9, 2019). Accessed July 3, 2024. https://apicareonline.com/index.php/APIC/article/view/1028.