Khantipongse, Jiaranai, and Veerayut Khositsakulchai. 2015. “The Incidence of Atypical Pneumonia Infection in Patients of Nakornping Hospital”. Journal of Associated Medical Sciences 39 (1):52. https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/60151.