Laryngoscopes with a guiding channel cannot avoid difficulty in passing endotracheal tube through the glottis.
F S
FS
Xue
Y J
YJ
Yuan
Q
Q
Wang
X
X
Liao
D005931:Glottis / Q000293:injuries*; D006801:Humans; D007431:Intraoperative Complications / Q000517:prevention & control*; D007442:Intubation, Intratracheal / Q000009:adverse effects*; D020704:Laryngoscopes