title: [Beta-blockers plus isosorbide-5-mononitrate for prevention of esophageal variceal rebleeding: a systematic review].
authors.affiliation: Department of Gastroenterology, Third People's Hospital of Chengdu, Chengdu 610031, China.
authors.forename: Xiao-Bin
authors.initials: XB
authors.lastname: Sun
authors.forename: Qiong
authors.initials: Q
authors.lastname: Wang
authors.forename: Wei
authors.initials: W
authors.lastname: Shi