title: [Enhancements and new features -- correct coding].
authors.forename: Franz Josef
authors.initials: FJ
authors.lastname: Heil
authors.forename: Ulrich
authors.initials: U
authors.lastname: Tappe
mesh_terms: D005767:Gastrointestinal Diseases / Q000145:classification* / Q000175:diagnosis*; D005858:Germany; D038801:International Classification of Diseases / Q000639:trends*