title: [Gastrointestinal tumors].
authors.forename: T
authors.initials: T
authors.lastname: Kirchner
mesh_terms: D003479:Curriculum; D004502:Education, Medical, Continuing; D005762:Gastroenterology / Q000193:education*; D005770:Gastrointestinal Neoplasms / Q000473:pathology*; D005858:Germany; D006801:Humans