Comparison of Ultrasound-Guided Caudal Epidural Blocks and Spinal Anesthesia for Anorectal Surgery: A Randomized Controlled Trial.
Shibiao ChenAiping WeiJia MinLei LiYang ZhangPublished in: Pain and therapy (2022)
This study was registered in the Chinese Clinical Trial Registry (ChiCTR 2000041026) on 06/12/2020.