S, Poosiri. “Relationship between 6-minute Walk Distance and Risk of Hospitalization from Exacerbation of COPD in One Year at Trang Hospital”. ASEAN Journal of Rehabilitation Medicine 29, no. 3 (December 16, 2019): 94–98. accessed September 18, 2026. https://he01.tci-thaijo.org/index.php/aseanjrm/article/view/206687.