Hepatic portal hypertension. Qualitative evaluation with real-time and color Doppler US

Calliada, F.; Bergonzi, M.; Passamonti, C.; Campani Bottinelli, R. O.; Bozzini, A.; Beluffi, G.; Corsi, G.; Raimondi, G. B.; Pollini, F.; Genovese, E.