title: [Gastrointestinal oncology].
authors.forename: M
authors.initials: M
authors.lastname: Classen
authors.forename: M P
authors.initials: MP
authors.lastname: Manns
mesh_terms: D005762:Gastroenterology / Q000639:trends*; D005770:Gastrointestinal Neoplasms / Q000175:diagnosis / Q000628:therapy*; D005858:Germany; D006801:Humans; D008495:Medical Oncology / Q000639:trends*