Chutipongvivat, Salakjit, Sumet Jinoros, Somchai Subkitpiboon, Uthai Choasaun, Vorasak Sutachai, and Pannarai Veeraseatakul. 2015. “Prevalence of Hepatitis C Virus Antibody in the Upper North of Thailand”. Journal of Associated Medical Sciences 28 (2):2. https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/60448.