Chen, H., J. Li, J. Zuo, and X. Zhang. “Comparison of Analgesic Effects Between Erector Spinae and Transversus Abdominis Plane Blocks in Patients Undergoing Laparoscopic Cholecystectomy”. Pakistan Journal of Medical Sciences, Vol. 40, no. 3, Dec. 2023, doi:10.12669/pjms.40.3.8284.