Yoshida H, Tajiri T, Mamada Y, et al: Comparison of characteristics of recurrent esophageal varices after endoscopic ligation versus endoscopic ligation plus sclerotherapy. Hepato-Gastroenterology 2004; 51: 457-461
Okano H, Shiraki K, Inoue H, et al: Long-term follow-up of patients with liver cirrhosis after endoscopic esophageal varices ligation therapy: comparison with ethanol injection therapy. Hepato-Gastroenterology 2003; 50: 2013-2016
Laine L, El-Newihi HM, Migikovsky B, et al: Endoscopic ligation compared with sclerotherapy for the treatment of bleeding esophageal varices. Ann Intern Med 1993; 119: 1-7