Gani, Rino A., Unggul Budihusodo, Agus Waspodo, L. A. Lesmana, Irsan Hasan, Nurul Akbar, and H. M.S. Noer. “Seroepidemiology and Risk Factors of Hepatitis B and C Virus Infections Among Drug Users in Jakarta, Indonesia”. Medical Journal of Indonesia 11, no. 1 (February 1, 2002): 48-55. Accessed January 19, 2022. http://mji.ui.ac.id/journal/index.php/mji/article/view/51.