Nithikathkul , A., P. Saichua, W. Pannangrong, W. Chaiprapathong, and C. Nithikethkul. “Echinostomiasis : Bioiogy and clinical manifestations”. Chulalongkorn Medical Journal, vol. 52, no. 2, Oct. 2023, https://he05.tci-thaijo.org/index.php/CMJ/article/view/1092.