The association of Helicobacter Pylori with gastric epithelial cell proliferation - YAZGAN, Yusuf; DEMİRTÜRK, Levent; GÜRBÜZ, Ahmet Kemal; YILDIRIM, Şükrü; ÖZTÜRK, Ramazan; BAŞAK, Mesut (Turkish Journal of Gastroenterology, 1998)