Niruthisar S, Sriprajitticha P, Sathonpanic S, Kukiatkulchai R, Tunprayoo A. A survey of postoperative pain experience at King Chulalongkorn Memorial Hospital: Patients’ perspective. Chula Med J [internet]. 2023 Oct. 26 [cited 2025 Apr. 29];52(6). available from: https://he05.tci-thaijo.org/index.php/CMJ/article/view/1116