Pimda, Pornthip, and Thomrat Sawaengdee. “The proportion of people with abnormal radiographic results according to the ILO International Classification of Radiographs of Pneumoconioses system in the Region 9 Public Health exposed to sandstone dust and asbestos data from the Pneumoconioses Surveillance System”. Journal of the Office of Disease Prevention and Control 9 Nakhon Ratchasima 28, no. 3 (September 21, 2022): 52–60. accessed September 28, 2026. https://he02.tci-thaijo.org/index.php/ODPC9/article/view/257925.