38
Participants
Start Date
March 9, 2020
Primary Completion Date
June 8, 2020
Study Completion Date
June 8, 2020
patient position
After the induction of anesthesia, mask ventilation is performed in the supine and semi-sitting position in a cross-over, randomized order.
SMG-SNU Boramae Medical Center, Seoul
SMG-SNU Boramae Medical Center
OTHER