Ornidazole-based sequential therapy is not effective in Helicobacter pylori eradication in children - BAYSOY, Gökhan; SALTIK TEMİZEL, İnci Nur and USLU, Nuray and BALAMTEKİN, Necati and DEMİR, Hülya and; KAN, Figen and; , Hasan and; N, Yakut and; , Aysel (Turkish Journal of Gastroenterology, 2013)