1. Diurnal pattern of variceal bleeding in cirrhotic patients;Merican;J Hepatol,1993
2. Development of a predictive instrument to assess the risk of death after upper digestive bleeding in patients with cirrhosis: a multicenter study;Merkel;Ital J Gastroenterol,1992
3. Calculating confidence intervals for proportions and their differences;Gardner,1989
4. Normal and altered erythrocyte function;Anderson,1984
5. Effect of vasopression on portal pressure during volume replacement after acute hemorrhage;Skivolocki;World J Surg,1979