114
Participants
Start Date
July 31, 2014
Primary Completion Date
November 30, 2014
Study Completion Date
November 30, 2014
videolaryngoscope
a kind of videolaryngoscopes, which are widely used in difficult airways.
Direct laryngoscope
A kind of traditional laryngoscopes
Tongji Hospital, Huazhong University of Science and Technology, Wuhan
Huazhong University of Science and Technology
OTHER