Suwantinprapha J, Thienthong S, Sriraj W, Palachewa K, Thincheelong V, Thananun M. A survey of postoperative pain management in the elderly patients at Srinagarind Hospital. SRIMEDJ [Internet]. 2013 Nov. 1 [cited 2024 Apr. 28];24(1):30-5. Available from: https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/12993