Karagöz, Ergenekon, and Alpaslan Tanoğlu. 2015. “Importance of Serum Hepatitis B Surface Antigen and Hepatitis E Antigen Quantification Among Patients With Chronic Hepatitis B”. Turkish Journal of Gastroenterology 26 (4):357-57. https://doi.org/10.5152/tjg.2015.0094.