Khampan, Samai, Sararak Choosakul, Thongthiw Pairoh, and Kitsada Sawatwong. “Fort Pichaidaphak Hospital (FPCDH) COVID-19 System: The COVID-19 Screening and Monitoring Tools for Patients and Active Case Finding”. Greater Mekong Subregion Medical Journal 2, no. 2 (May 7, 2022): 123–128. Accessed April 30, 2024. https://he02.tci-thaijo.org/index.php/gmsmj/article/view/257674.