Alam T, Qureshi S, Ali CA, Hussain A, Majeed K, Qarni A. Comparison of Ultrasound and Motoyama Formula for Estimation of Endotracheal Tube Diameter in Pediatric Patients. Pak Armed Forces Med J [Internet]. 2024 Dec. 31 [cited 2025 Oct. 7];74(6):1588-92. Available from: https://www.pafmj.org/PAFMJ/article/view/10269