Zainah Saat, J. S. “Efficacy of Tenofovir As First-Line Antiviral Therapy in Chronic Hepatitis B Infection”. Innovative Journal of Medical and Health Sciences, vol. 5, no. 2, Apr. 2015, pp. 73-78, doi:10.15520/ijmhs.2015.vol5.iss2.63.73-78.