1. YOUNG M.F., SANOWSKI R.A., and RASCHKE R. — Comparison and characterisation of ulcerations induced by endoscopic ligation of esophageal varices versus endoscopic sclerotherapy. DDW Scientific Sessions, May 10–13, 1992.
2. JUTABHA R., JENSEN D.M., EGAN J., HIRABAYASHI K., MACHICADO G.A. — Randomized prospective study of cyanoacrylate, sclerotherapy, of rubber band ligation for endoscopic hemostasis of bleeding canine gastric varices. DDW Scientific Sessions, May 10–13, 1992.
3. GONN H.O. — Ideal treatment of portal hypertension in 1985.Clin. Gastroenterol., 1985,14, 259–288.
4. PAQUET K.J. — Endoscopic paravariceal injection sclerotherapy of the esophagus: indications, technique, complications: Results of a periode of 14 years.Gastrointest. Endosc., 1983,29, 310–317.
5. SIVAK M.V. Jr. — Endoscopic Sclerotherapy of Esophageal Varices, New York, Praeger, 1984.