76
Participants
Start Date
September 30, 2012
Primary Completion Date
September 30, 2013
Study Completion Date
October 31, 2013
Sevoflurane+Nitrous oxide
60% nitrous oxide +40% oxygen+ Sevoflurane
Sevoflurane
100% oxygen+ Sevoflurane
Department of Anaesthesiology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan
Huazhong University of Science and Technology
OTHER