Evaluation of chronic gastritis in patients with Helicobacter pylori associated gastritis, gastroduodenitis and duodenal ulcer disease - BAĞATUR, Nevin; ERALP, Yeşim; ÇELİK, Aykut and DOBRUCALI, Ahmet and BAL, Kadir and TUNCER, Murat and GÖKSEL, Suha and UZUNİSMAİL, Hülya and OKTAY, Ergun (Turkish Journal of Gastroenterology, 1999)