title: Use of evidence in WHO recommendations.
authors.forename: Eamonn M M
authors.initials: EM
authors.lastname: Quigley
authors.forename: Michael
authors.initials: M
authors.lastname: Fried
authors.forename: Justus H
authors.initials: JH
authors.lastname: Krabshuis
mesh_terms: D003906:Developing Countries; D004932:Esophageal and Gastric Varices / Q000628:therapy*; D005762:Gastroenterology / Q000592:standards*; D006801:Humans; D017410:Practice Guidelines as Topic; D014944:World Health Organization