Media type: E-Article Title: Noninvasive grading of the severity of portal hypertension in cirrhotic patients by echo-color-Doppler Contributor: Bolognesi, Massimo; Sacerdoti, David; Merkel, Carlo; Bombonato, Giancarlo; Gatta, Angelo imprint: Elsevier BV, 2001 Published in: Ultrasound in Medicine & Biology Language: English DOI: 10.1016/s0301-5629(01)00370-2 ISSN: 0301-5629 Keywords: Acoustics and Ultrasonics ; Radiology, Nuclear Medicine and imaging ; Biophysics ; Radiological and Ultrasound Technology Origination: Footnote: