Khantipongse, Jiaranai, and Veerayut Khositsakulchai. “The Incidence of Atypical Pneumonia Infection in Patients of Nakornping Hospital”. Journal of Associated Medical Sciences 39, no. 1 (March 22, 2015): 52. Accessed May 19, 2024. https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/60151.