THE SEROPREVELANCE OF HEPATITIS B VIRUS AND THE SIGNIFICANCE OF HBsAg POSITNITY IN ALCOHOLIC LIVER DISEASES - KAYMAKOĞLU, Sabahattin; ÇAKALOĞLU, Yılmaz; ÖKTEN, Atilla; YALÇIN, Süleyman; BOZTAŞ, Güngör; ÖZDİL, Sadakat (Turkish Journal of Gastroenterology, 1992)