title: Is prophylactic therapy for varices justified? Can the first variceal bleed be predicted?
authors.affiliation: Royal Victoria Hospital, Belfast, Northern Ireland.
authors.forename: G W
authors.initials: GW
authors.lastname: Johnston
mesh_terms: D004932:Esophageal and Gastric Varices / Q000175:diagnosis* / Q000628:therapy; D006471:Gastrointestinal Hemorrhage / Q000517:prevention & control*; D006801:Humans; D011379:Prognosis; D011446:Prospective Studies; D012307:Risk Factors