title: Portal surgery and liver function: a new look at an old problem.
mesh_terms: D004932:Esophageal and Gastric Varices / Q000517:prevention & control; D006471:Gastrointestinal Hemorrhage / Q000517:prevention & control; D006501:Hepatic Encephalopathy / Q000517:prevention & control; D006801:Humans; D006975:Hypertension, Portal / Q000601:surgery*; D008099:Liver / Q000502:physiology*; D008111:Liver Function Tests; D008722:Methods; D009584:Nitrogen / Q000378:metabolism; D011167:Portacaval Shunt, Surgical; D014508:Urea / Q000096:biosynthesis
chemical_list: D014508:Urea; D009584:Nitrogen