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