title: Sclerotherapy versus beta blockade: unanticipated anomalies of experimental design.
authors.forename: H O
authors.initials: HO
authors.lastname: Conn
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use*; D004932:Esophageal and Gastric Varices / Q000628:therapy*; D006471:Gastrointestinal Hemorrhage / Q000628:therapy*; D006801:Humans; D012107:Research Design; D015911:Sclerotherapy
chemical_list: D000319:Adrenergic beta-Antagonists