Global Health Data Exchange - Discover the World's Health Data

A 13-nation population survey of upper gastrointestinal symptoms: prevalence of symptoms and socioeconomic factors

Nav

General Info
Geography 
Austria (AUT)
Belgium (BEL)
Denmark (DNK)
Finland (FIN)
France (FRA)
Germany (DEU)
Hungary (HUN)
Italy (ITA)
Poland (POL)
Portugal (PRT)
Spain (ESP)
Time period covered 
01/2008 - 12/2010