900
Participants
Start Date
January 31, 2013
Primary Completion Date
January 31, 2016
Study Completion Date
September 30, 2016
anesthesia
Anesthesia : (1) General Anesthesia (GA)(2) Epidural Anesthesia (EA) (3) Combined Spinal-Epidural Anesthesia (CSEA)
International Peace Maternity and Child Health Hospital
OTHER
Fudan University
OTHER