1. A study on the structure of layers of the gastrointestinal wall visualized by means of the ultrasonic endoscope;Aibe;Gastroenterological Endoscopy,1984
2. The investigation of the ultrasonic endoscope (the 2nd report);Aibe;Gastroenterological Endoscopy,1982
3. Diagnosis of depth invasion of gastric cancer by means of ultrasonic endoscope;Aibe;Stomach and Intestine,1984
4. Ultrasonic endoscope;DiMagno;Lancet,1980
5. Ultrasonographic view by ultrasonic endoscopy in miscellaneous colonic disease;Fujita;Gastroenterological Endoscopy,1984