Comparison of the effect of omeprazole, famotidine, cisapride and alginic acide (Gavscon) on esophageal pH in patients with esophagitis - DOBRUCALI, Ahmet; TUNCER, Murat; ÇELİK, Aykut and HAMŞİOĞLU, F. and GÖKSEL, Süha and BAL, Kadir and UZUNİSMAİL, Hülya and; AKUL, İ. and OKTAY, Ergun and DİNÇ, İsmail (Turkish Journal of Gastroenterology, 1996)