Sangnon, C., T. Sookkua, S. Keeinthong, J. Sriboonpeng, and S. Mongkol. “The Comparison of Pulmonary Function and Exercise Capacity Between Non-Anemia and Anemia Chronic Obstructive Pulmonary Disease (COPD)”. The 11th International Physical Therapy Research Symposium (IPTRS 2025), vol. 11, no. 1, June 2025, pp. 267-73, https://conference.in.th/index.php/IPTRS2025/article/view/Sangnon_et_al.2025.