Prevelance of hepatitis D co-enfection in children with hepatitis B infection: Cross-sectional analyses from Western Turkey - ÖZGENÇ, Funda; ÖMÜR ECEVİT, Çiğdem and ERDEMİR, Gülin and SERTÖZ, Rüçhan and YAĞCI, Raşit Vural (Turkish Journal of Gastroenterology, 2013)