[Portasystemic shunt versus conservative treatment of bleeding esophageal varices].
D004932:Esophageal and Gastric Varices / Q000601:surgery* / Q000628:therapy; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000601:surgery; D006801:Humans; D008297:Male; D011170:Portasystemic Shunt, Surgical; D012189:Retrospective Studies