100
Participants
Start Date
August 31, 2011
Primary Completion Date
December 31, 2011
Study Completion Date
December 31, 2011
pillow
bronchoscopic confirmation of double-lumen tube position with a head on a pillow
neutral
bronchoscopic confirmation of double-lumen tube position in neutral position of a head
Seoul National University Hospital, Seoul
Seoul National University Hospital
OTHER