1. ASGE guideline: the role of endoscopy in the management of variceal hemorrhage, updated July 2005;Qureshi;Gastrointest Endosc,2005
2. Risk assessment after acute upper gastrointestinal haemorrhage;Rockall;Gut,1996
3. Emergency sclerotherapy versus medical interventions for bleeding oesophageal varices in cirrhotic patients;D’Amico;Cochrane Database Syst Rev,2002
4. Esophageal varices. I. Clinical presentation, medical therapy, and endoscopic therapy;Luketic;Gastroenterol Clin North Am,2000
5. Somatostatin analogues for acute bleeding oesophageal varices;Gotzsche;Cochrane Database Syst Rev,2005