Thirachantra, S. (2015) “A PRELIMINARY STUDIES ON CERCARIA OPISTHORCHIS Spp. IN CHIANG MAI PROVINCE”, Journal of Associated Medical Sciences, 4(2), p. 77. available at: https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/60682 (accessed: 13 September 2026).