J Coll Physicians Surg Pak
October 2021
Objectives: To identify the precise position of adductor canal; and to determine median effective volume (EV50) for adductor canal block (ACB) by ultrasound.
Study Design: Observational study.
Place And Duration Of Study: Department of Anesthesiology, the First Central Hospital of Baoding, China from January 2019 to December 2020.