1. Fleischer D: Endoscopic laser therapy for gastrointestinal diseases. Arch Intern Med 144: 1225–1230, 1984.
2. Joffe SN: The Nd:YAG laser—Past, present and future perspectives. Proceedings of the International Nd:YAG Laser Society, Tokyo, Japan, 1986.
3. Joffe SN, Muckerheide MC, Goldman L: Neodymium-YAG Laser in Medicine and Surgery. Elsevier, New York, 1983.
4. Goodale R, Okaka A, Gonzales R, et al: Rapid endoscopic control of bleeding gastric erosions by laser radiation. Arch Surg 101: 211, 1970.
5. Nath G, Gorish W, Kielhaber P: First laser endoscopy via a fiberoptic transmission system. Endoscopy 5: 203, 1973.