180
Participants
Start Date
January 31, 2012
Primary Completion Date
March 31, 2013
Study Completion Date
March 31, 2013
Sufentanil (R30730, brand name Sufenta)
sufentanil 1ug/ml
Sufentanil (R30730, brand name Sufenta) + Morphine
sufentanil 0.5ug/ml+morphine 0.25mg/ml
Morphine
morphine 0. 5mg/ml
Peking University First Hospital
OTHER