Effect of Ropivacaine Combined with Sufentanil on the Birth Process of Primiparas with Epidural
Analgesia in the Incubation Period of Labor
Yang Sili
Journal of Dali University . 2024, (10): 44 -47 .  DOI: ［DOI］10. 3969 / j. issn. 2096-2266. 2024. 10. 009