References
1
Kamsa-Ard S, Luvira V, Suwanrungruang K, Kamsa-Ard S, Luvira V, Santong C, et al. Cholangiocarcinoma Trends, Incidence, and Relative Survival in Khon Kaen, Thailand From 1989 Through 2013: A Population-Based Cancer Registry Study. J Epidemiol 2019; 29: 197-204.
2
Suttiprapa S, Loukas A, Laha T, Wongkham S, Kaewkes S, Gaze S, et al. Characterization of the antioxidant enzyme, thioredoxin peroxidase, from the carcinogenic human liver fluke, Opisthorchis viverrini. Mol Biochem Parasitol 2008; 160: 116-22.