Effects and satisfaction of combined spinal epidural anesthesia at different time points on labor analgesia in primiparous women
Minli HUANG,Zijing ZHANG,Hongfei DAI,Jiaxin LI,Shuzhen WU,Changping FANG,Zuen LIN,Lingling. WU
The Journal of Practical Medicine . 2023, (19): 2489 -2494 .  DOI: 10.3969/j.issn.1006-5725.2023.19.013