腰-硬联合麻醉和连续硬膜外麻醉在阴式子宫切除术的疗效观察
요-경연합마취화련속경막외마취재음식자궁절제술적료효관찰
Study on clinical efficacy of combined spinal-epidural anesthesia and continuous epidural anesthesia in vaginal hysterectomy