BİLGİ, Selçuk, et al. “The Diagnostic Value of Immunohistochemically HBsAg Staining Patterns in Chronic Hepatitis B Infection: Correlation Among Histological, Serological and Immunohistochemical Findings”. Turkish Journal of Gastroenterology, vol. 6, no. 3, Jan. 1995, pp. 332-6, https://www.turkjgastroenterol.org/index.php/tjg/article/view/642.