1. The early application of endoscopical examination for the upper G-l bleeding;Akasaka,1973
2. Clinical evaluation of endoscopy for the upper G-l bleeding;Kawai,1971
3. Emergency endoscopy for bleeding in the digestive tract;Kawai;Stomach and Intestine (Japan),1973
4. Experiences with esophago-gastroduodenoscopy in diagnosis of 79 pediatric patients with hematemesis, melena or chronic abdominal pain;Ament;Gastroenterology,1975
5. Fiberscopy of the gastrointestinal tract in children;Cremer;Endoscopy,1974