Shaheed AM, Shrestha B, Pradhan B, Shrestha A, Parajuli BD. Comparison of Ultrasonography with Cole’s Formula to Determine Appropriate Endotracheal Tube Size in Pediatric Population. J Inst Med Nepal [Internet]. 2022 Apr. 30 [cited 2025 Sep. 22];44(1):30-4. Available from: https://jiomnepal.edu.np/index.php/jiomnepal/article/view/1204