1. Endo M, Kobayashi S, Suzuki S, Ide H, Tobita Y, Hanyu F, Yazawa C, Takemoto C, Nakayama K (1972) Esophageal marking by esophagofiberscope. J Jpn Bronchoesophagol Soc 23: 106?108
2. Fuyuno S, Yao T (1977) Determination of the extent of infiltration in gastric cancer by endoscopic clipping method. Stomach Intestine 12: 1055?1071
3. Hachisu T (1988) Evaluation of endoscopic hemostasis using an improved clipping apparatus. Surg Endosc 2: 13?17
4. Hachisu T, Nakao T, Suzuki N (1985) The endoscopic clipping hemostasis against upper gastrointestinal bleeding (a device of the improved clip and its clinical study). Gastroenterol Endosc 27: 276?281
5. Hachisu T, Nakao T, Nagata M, Ohmori K, Kashiwabara H, Yokoyama T, Nagamine K, Hamaguchi K (1985) A study on endoscopic clipping hemostasis against upper gastrointestinal bleeding. Prog Dig Endosc 27: 115?119