Mongkol, S., Chaypech, C., Pattanawong, F., Thaithanee, P., Suthasuwan, A., Wongkokum, P. and Preechamard, P. (2013) “Comparison of six minute walk distance and reaction time between anemic COPD and non-anemic COPD”, Journal of Associated Medical Sciences, 46(3), p. 207. Available at: https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/60017 (Accessed: 18 May 2024).