PSY141 - SUFENTANIL VERSUS FENTANYL FOR PAIN RELIEF IN LABOR WITH THE COMBINED SPINAL-EPIDURAL ANAESTHESIA - A SYSTEMATIC REVIEW AND META-ANALYSIS OF RANDOMIZED CONTROLLED TRIALS
Abstract
Authors
M. Zhi Y. Diao S. L.I.U. Z. Huang S. Wen S. Geng J. S.U.N. Y. L.I.U.