W. A. Achwan

Hepatitis B virus subgenotypes and basal core promoter mutations in Indonesia.

R. Gani, F. Akil, A. Utama, 2009, World journal of gastroenterology.

Alpha-1-acid glycoprotein as potential biomarker for alpha-fetoprotein-low hepatocellular carcinoma

L. Lesmana, R. Gani, I. Hasan, 2010, BMC Research Notes.

Association of core promoter mutations of hepatitis B virus and viral load is different in HBeAg(+) and HBeAg(-) patients.

R. Gani, A. Utama, Syafruddin A R Lelosutan, 2011, World journal of gastroenterology.

HBeAg and Anti HBe Status in Patients with Chronic Hepatitis B Infection

W. A. Achwan, S. Soemohardjo, S. Gunawan, 2010 .

Hepatitis B virus pre-S2 start codon mutations in Indonesian liver disease patients.

A. Utama, Rama Dhenni, I. Yusuf, 2012, World journal of gastroenterology.

Low prevalence of hepatitis B virus pre‐s deletion mutation in Indonesia

A. Utama, Rama Dhenni, I. Yusuf, 2011, Journal of medical virology.

Epidemiology of Hepatitis B, C, and E Viruses and Human Immunodeficiency Virus Infections in Tahuna, Sangihe-Talaud Archipelago, Indonesia

Mulyanto, S. Mishiro, Kazuaki Takahashi, 2008, Intervirology.