Difficult Ventilation in a patient after Endotracheal Intubation: an Unusual Manufacturing Defect in E.T.T. Connecter. Annals KEMU [Internet]. 2021 Dec. 3 [cited 2024 May 3];13(1):145-7. Available from: https://www.annalskemu.org/journal/index.php/annals/article/view/4818