An increasing incidence of upper gastrointestinal disorders over 23 years: A prospective population-based study in Sweden

- Andreasson, Anna; Talley, Nicholas J.; Walker, Marjorie M.; Jones, Michael P.; Platts, Loretta G.; Wallner, Bengt; Kjellström, Lars; Hellström, Per M.; Forsberg, Anna; Agréus, Lars