Meckmasin, Apichart, Anchana Prasartwit, and Surachai Silawan. “Output and Impact of Opisthorchiasis Control Programme in 5 Provinces of the Region 5, Thailand, 1994”. Journal of Health Science of Thailand 3, no. 3 (September 29, 1994): 181–194. Accessed December 6, 2025. https://thaidj.org/index.php/JHS/article/view/6592.