HLA ANTIGENS IN HBsAg POSITIVE CHRONIC HEPATITIS - ERBAŞ, Orhan; Arısoy ESEN, Berrin; ACAR, Nilgün Sönmez; SOYDİNÇ, Jale; ACAR, Yaşar; ŞAHİN, Burhan (Turkish Journal of Gastroenterology, 1993)