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Cerebrocortical [ 3 H]l-glutamate uptake was examined using brain slices and synaptosomes obtained from rats with portal vein and bile duct ligation. In addition, the effect of in vitro addition of 5 mM ammonia on glutamate uptake parameters was determined. There was no significant difference in brain slice or synaptosomal glutamate uptake in rats with portal vein and bile duct ligation compared...