Wisassittichok, Meechokchai, and Rattana Ngiewwijit. “Evaluation on Chickenpox Disease Surveillance System in Phothong Hospital, Phothong District, Ang Thong in November 2018-October 2019”. Journal of Medical and Public Health Region 4 11, no. 1 (November 9, 2020): 68–78. Accessed April 26, 2024. https://he01.tci-thaijo.org/index.php/JMPH4/article/view/248392.