Anusak, K., Matanasarawoot, . R., Sakarinkhul, P. . and Jiraporncharoen, W. (2022) “Factors Affecting an Acute Exacerbation among COPD Patients in the Emergency Room, Lamphun Hospital”, Journal of The Department of Medical Services, 46(4), pp. 67–73. Available at: https://he02.tci-thaijo.org/index.php/JDMS/article/view/251477 (Accessed: 20 April 2024).