Increased circulating pro-brain natriuretic peptide (proBNP) and brain natriuretic peptide (BNP) in patients with cirrhosis: relation to cardiovascular dysfunction and severity of disease - Henriksen,J.H.; Gotze,J.P.; Fuglsang,S.; Christensen,E.; Bendtsen,F.; Moller,S. (Gut, 2003)