Sappayanon P. Sleep Quality and Patient Satisfaction after Using Ketamine and Local Anesthetic for Supraclavicular Brachial Plexus Block in Patients Undergoing Upper Extremity Surgery. Thai J Anesthesiol [internet]. 2021 Aug. 18 [cited 2026 Aug. 27];47(4):323-30. available from: https://he02.tci-thaijo.org/index.php/anesthai/article/view/252815