title: [Confusing diagnosis coding prevents historical and international comparisons. Diagnosing should be unambiguous and consistent].
authors.affiliation: Länssjukhuset Ryhov - Länssjukhuset Ryhov, 551 85 Jönköping, Sweden Länssjukhuset Ryhov - Länssjukhuset Ryhov, 551 85 Jönköping, Sweden.
authors.forename: Roland E
authors.initials: RE
authors.lastname: Andersson
mesh_terms: D001064:Appendicitis / Q000145:classification*; D006801:Humans; D038801:International Classification of Diseases / Q000592:standards / Q000639:trends*; D012042:Registries / Q000592:standards*