title: [Macroscopically inconspicuous finding in endoscopy. When nevertheless biopsy must be done?].
authors.forename: Peter
authors.initials: P
authors.lastname: Stiefelhagen
mesh_terms: D001706:Biopsy; D003106:Colon / Q000473:pathology; D003113:Colonoscopy; D003680:Deglutition Disorders / Q000175:diagnosis / Q000209:etiology; D003937:Diagnosis, Differential; D003967:Diarrhea / Q000175:diagnosis / Q000473:pathology; D004386:Duodenum / Q000473:pathology; D004724:Endoscopy; D004943:Esophagogastric Junction / Q000473:pathology; D005756:Gastritis / Q000175:diagnosis / Q000473:pathology; D005767:Gastrointestinal Diseases / Q000175:diagnosis* / Q000473:pathology*; D041981:Gastrointestinal Tract / Q000473:pathology; D005773:Gastroscopy; D016481:Helicobacter Infections / Q000175:diagnosis / Q000473:pathology; D016480:Helicobacter pylori; D006801:Humans