Thunyavinichkul P, Kitisupornpun S,Pormme N, Wasusophaphol W,Sangsawang S, Arunthong S,Tanprasertswuk S (2017) “Prevalence of Chronic Hepatitis B and Hepatitis C Virus Infection in Nongpakrang Subdistrict, Chiang Mai Province”, Journal of The Department of Medical Services, 42(2), pp. 102–109. available at: https://he02.tci-thaijo.org/index.php/JDMS/article/view/248895 (accessed: 26 March 2025).