The diagnostic value of immunohistochemically HBsAg staining patterns in chronic hepatitis B infection: correlation among histological, serological and immunohistochemical findings - BİLGİ, Selçuk and ÇIRPAN, İsmail and KUTLU, Kemal and ÖZDEMİR, Sedat and; ECİ, Gülbin (Turkish Journal of Gastroenterology, 1995)