TEMPORAL VARIATIONS OF OPISTHORCHIS VIVERRINI AND OTHER TREMATODE INFECTION RATES IN BITHYNIA SIAMENSIS SIAMENSIS FROM O. VIVERRINI-ENDEMIC AREAS, CHACHOENGSAO PROVINCE,CENTRAL THAILAND. (2021). The Southeast Asian Journal of Tropical Medicine and Public Health, 52(2), 259-273. https://journal.seameotropmednetwork.org/index.php/jtropmed/article/view/391