“The Diagnostic Accuracy Of Ultrasonography In Predicting Endotracheal Tube Size In Pediatric Patients_ An Observational Study”, Journal of Pharmaceutical Negative Results, vol. 13, pp. 2730–2734, Dec. 2022, Accessed: Jun. 04, 2026. [Online]. Available: https://pnrjournal.com/index.php/home/article/view/4643