Comparison of the labor curves with and without combined spinal-epidural analgesia in nulliparous women- a retrospective study

por Ando, Hitomi, Makino, Shintaro, Takeda, Jun, Maruyama, Yojiro, Nojiri, Shuko, Sumikura, Hiroyuki, Itakura, Atsuo
Publicado 2020