29 March 2015 : Clinical Research
Epidural Analgesia with Amide Local Anesthetics, Bupivacaine, and Ropivacaine in Combination with Fentanyl for Labor Pain Relief: A Meta-Analysis
Yiyang Li AB , Cong Hu CD , Yanyan Fan BE , Huixia Wang D , Hongmei Xu ADOI: 10.12659/MSM.892276
Med Sci Monit 2015; 21:921-928






