Sudachom W, Kongsomchom A, Thanapipatsiri S, Sappasuk H. Incentive Spirometry and Deep Breathing Exercise for Improving Respiratory Volume in Preoperative Spine Surgery Patients. วารสารเวชบันทึกศิริราช [internet]. 2023 Jan. 1 [cited 2026 Sep. 20];16(1):1-9. available from: https://he02.tci-thaijo.org/index.php/simedbull/article/view/259101