title: New issues concerning the etiology of an old problem.
authors.forename: F C
authors.initials: FC
authors.lastname: Ryckman
mesh_terms: D017734:Bile Ducts, Extrahepatic; D002779:Cholestasis / Q000175:diagnosis / Q000209:etiology*; D004932:Esophageal and Gastric Varices / Q000175:diagnosis / Q000209:etiology*; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis / Q000209:etiology*; D006801:Humans; D006975:Hypertension, Portal / Q000175:diagnosis / Q000209:etiology*; D011169:Portal Vein / Q000002:abnormalities* / Q000473:pathology