68
Participants
Start Date
January 14, 2019
Primary Completion Date
March 31, 2020
Study Completion Date
March 31, 2020
Bevel facing the cephalad direction of the patient
The bevel of the nasotracheal tube facing cephalad direction of the patient
Bevel facing leftward of the patient
The bevel of the nasotracheal tube facing the left side of the patient
Seoul National University Hospital, Seoul
Seoul National University Hospital
OTHER