Determination of hepatitis B genotypes in patients with chronic hepatitis B virus infection in Turkey - ÖZDEMİR, Filiz Türe and DUMAN, Deniz and ERTEM, Deniz and AVŞAR, Erol and EREN, Fatih and ÖZDOĞAN, Osman and KALAYCI, Cem and ASLAN, Nuray and BOZDAĞI, A.Mithat and TÖZÜN, Nurdan (Turkish Journal of Gastroenterology, 2005)