Janworachaikul, Chanchai. “Outcomes of Easy Asthma Clinic in Yangtalad Hospital”. Srinagarind Medical Journal 22, no. 4 (November 11, 2013): 449–458. accessed September 17, 2026. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/13196.