Determining correct tracheal tube insertion depth by measuring distance between endotracheal tube cuff and vocal cords by ultrasound in Chinese adults: a …

X Chen, W Zhai, Z Yu, J Geng, M Li - BMJ open, 2018 - bmjopen.bmj.com
Objectives Unrecognised malposition of the endotracheal tube can lead to severe
complications in patients under general anaesthesia. The purpose of this study was to verify …