Determination of serum hepatitis B virus DNA in chronic HBsAg carriers: Clinical significance and correlation with serological markers - YALÇIN, Kendal; DEĞERTEKİN, Halil; ALP, M. Nail; TEKEŞ, Selahattin; SATICI, Ömer; BUDAK, Turgay (Turkish Journal of Gastroenterology, 2003)