Effect of epidural injection with different doses of 1.5% chloroprocaine in relieving breakthrough pain during labor analgesia

JI Tianzhen, XU Cheng, LIU Hongxia, LI Guofang, LI Rui, ZHU Haijuan

Tianjin Medical Journal . 2023, (10): 1146 -1152 . DOI: 10.11958/20230652