title: [Endoscopic band ligation versus beta-blockers in the prevention of primary digestive hemorrhage by rupture of esophageal varices: are controlled studies necessary?].
authors.forename: M J
authors.initials: MJ
authors.lastname: Ramond
authors.forename: D
authors.initials: D
authors.lastname: Lebrec
authors.forename: D C
authors.initials: DC
authors.lastname: Valla
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use*; D018849:Controlled Clinical Trials as Topic; D016145:Endoscopy, Digestive System; D004935:Esophageal Diseases / Q000517:prevention & control*; D004932:Esophageal and Gastric Varices / Q000150:complications*; D006470:Hemorrhage / Q000517:prevention & control*; D006801:Humans; D008026:Ligation / Q000379:methods; D012422:Rupture, Spontaneous
chemical_list: D000319:Adrenergic beta-Antagonists