title: [Early diagnosis of malignant tumor of the gastrointestinal tract].
mesh_terms: D003110:Colonic Neoplasms / Q000175:diagnosis; D004724:Endoscopy; D006471:Gastrointestinal Hemorrhage / Q000209:etiology; D005770:Gastrointestinal Neoplasms / Q000175:diagnosis*; D006801:Humans; D009780:Occult Blood; D012306:Risk; D013274:Stomach Neoplasms / Q000175:diagnosis
vernacular_title: Die Früherkennung bösartiger Tumoren im Magen-Darm-Kanal.