title: [Gastrointestinal tumors. Foreword].
authors.forename: Hans-Joachim
authors.initials: HJ
authors.lastname: Schmoll
authors.forename: Wolff
authors.initials: W
authors.lastname: Schmiegel
mesh_terms: D005770:Gastrointestinal Neoplasms / Q000175:diagnosis* / Q000628:therapy*; D010818:Practice Patterns, Physicians' / Q000639:trends*