Thunyavinichkul P, Kitisupornpun S,Pormme N, Wasusophaphol W,Sangsawang S, Arunthong S,Tanprasertswuk S, “Prevalence of Chronic Hepatitis B and Hepatitis C Virus Infection in Nongpakrang Subdistrict, Chiang Mai Province”, J DMS, vol. 42, no. 2, pp. 102–109, Apr. 2017.