title: Methodology of the survey: the burden of gastrointestinal diseases in Europe.
authors.affiliation: Department of Surgery, University of Birmingham, Birmingham, UK. v.warner@bham.ac.uk
authors.forename: V
authors.initials: V
authors.lastname: Warner
mesh_terms: D005060:Europe / Q000453:epidemiology; D005767:Gastrointestinal Diseases / Q000453:epidemiology*; D019538:Health Care Surveys / Q000379:methods*; D006801:Humans; D012955:Societies, Medical