title: Ammonia tolerance as an index of portal-systemic collateral circulation in cirrhosis.
mesh_terms: D000005:Abdomen; D000641:Ammonia / Q000097:blood*; D003097:Collateral Circulation; D006801:Humans; D007108:Immune Tolerance; D008103:Liver Cirrhosis / Q000502:physiology*
chemical_list: D000641:Ammonia
keywords: AMMONIA/blood; LIVER CIRRHOSIS/physiology