Sheikhzadeh, D., Aliakbari Sharabiani , B. ., Eslami, I., Seyed Hejazi , M. . and Nasirzadeh, S. . (2022) “Determine the Appropriate Size of the Endotracheal Tube by Method Air Leak Test in Infants Weighing Less Than 2500 Grams and Compare It with Common Standards: Appropriate Size of endotracheal tube in neonates”, Iranian Journal of Pediatric Surgery, 8(1), pp. 49–58. doi: 10.22037/irjps.v8i1.37568.