Kowcachaporn P, Toowicharanon P, Limwongse C. Review of Non-Surgical Procedures in Medical Wards : From Utilization Review Results to Process Improvement. Siriraj Med J [internet]. 2004 Sep. 1 [cited 2026 Oct. 6];56(9):493-505. available from: https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/245564