4) Zeneroli ML, Cioni G, Crisi G,: Globus pallidus alterations and brain atrophy in liver cirrhosis patients with encephalopathy: an MR imaging study. Magn Res Imaging 9: 295-302, 1991
5) Kreis R, Farrow N, Ross BD: Localized 1H NMR spectroscopy in patients with chronic hepatic encephalopathy. Analysis of changes in cerebral glutamine. choline and inositols. NMR in Biomed 4: 109-116, 1991