title: "Normal" endoscopic findings in the gastrointestinal tract--when should a biopsy be taken.
authors: Institut für Pathologie, Klinikum Bayreuth.
authors: M
authors: M
authors: Stolte
mesh_terms: D001706:Biopsy; D003108:Colonic Diseases / Q000473:pathology; D003937:Diagnosis, Differential; D004724:Endoscopy; D004935:Esophageal Diseases / Q000473:pathology; D005767:Gastrointestinal Diseases / Q000473:pathology*; D006801:Humans; D007413:Intestinal Mucosa / Q000473:pathology*; D013272:Stomach Diseases / Q000473:pathology