Bellis, L.; Nicodemo, S.; Galossi, A.; Guarisco, R.; Spilabotti, L.; Durola, L.; Dell’Unto, O.; Puoti, C. Hepatic Venous Pressure Gradient Does Not Correlate With the Presence and the Severity of Portal Hypertensive Gastropathy in Patients With Liver Cirrhosis. JGLD 2007, 16, 273-277.