Wangsom, Atchanat, and Yaowarat Matchim. “Dyspnea Management in Patients With COPD: Non-Pharmacological Strategies”. Journal of Research in Nursing-Midwifery and Health Sciences 37, no. 4 (December 29, 2017): 108–117. Accessed April 19, 2024. https://he02.tci-thaijo.org/index.php/nur-psu/article/view/107744.