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