1. Clinical endoscopic studies on recurrence of gastric and duodenal ulcers during maintenance treatment;Yokoyama Y;Gastroenterol Endosc,1987
2. Magnifying endoscopic studies on gastric ulcer scars;Ohida M;Progr Dig Endosc,1991
3. Clinical conventional endoscopic studies of gastric ulcers by evaluation of the depth using endoscopic ultrasonography: Endoscopic findings of the different depth and its course;Ohida M;Gastroenterol Endosc,1992
4. Endoscopic studies on the gastric ulcer scar using pharmacoendoscopy;Ohida M;Gastreonterol Endosc,1991
5. Effect of vasoactivators on gastric mucosal color with special reference to endoscopic diagnosis of the extent of infiltration in gastric cancer;Ohida M;Gastroenterol Endosc,1983