title: Portal hypertension: the present position.
mesh_terms: D004932:Esophageal and Gastric Varices / Q000209:etiology; D006471:Gastrointestinal Hemorrhage / Q000209:etiology; D006439:Hemodynamics; D006801:Humans; D006975:Hypertension, Portal / Q000209:etiology* / Q000628:therapy