title: Ulcers and gastritis.
authors.affiliation: Dept. of Gastroenterology and Hepatology, Academic Medical Center, Amsterdam, The Netherlands.
authors.forename: G N
authors.initials: GN
authors.lastname: Tytgat
mesh_terms: D003937:Diagnosis, Differential; D004384:Duodenoscopy; D004386:Duodenum / Q000473:pathology; D005753:Gastric Mucosa / Q000473:pathology; D005756:Gastritis / Q000175:diagnosis* / Q000473:pathology; D005773:Gastroscopy; D016481:Helicobacter Infections / Q000175:diagnosis* / Q000473:pathology; D016480:Helicobacter pylori; D006801:Humans; D007413:Intestinal Mucosa / Q000473:pathology; D010437:Peptic Ulcer / Q000175:diagnosis* / Q000473:pathology