Mustika, Syifa, and Daya Daryadijaya. “Prevalence of Hepatitis B Infection Among Male Prisoners in Malang”. The Indonesian Journal of Gastroenterology, Hepatology, and Digestive Endoscopy 20, no. 1 (July 22, 2020): 7–10. Accessed October 20, 2026. https://ina-jghe.com/index.php/jghe/article/view/687.