Chantapong, P., Chanthapat, M., Krison, P., Outanone, K., Upapong, T., Suanboon, S., Pomwan, S., Luvira, V. and Kuhirunyiratn, P. 2013. Knowledge and Risk Behaviors of Ophisthorchis Viverrini Infection among the High School Students in Khonkaen Municipality. Srinagarind Medical Journal. 28, 2 (Aug. 2013), 239–245.