title: Ultraviolet endoscopy in the diagnosis of upper gastrointestinal bleeding.
mesh_terms: D004378:Duodenal Diseases / Q000175:diagnosis; D004724:Endoscopy; D004935:Esophageal Diseases / Q000175:diagnosis; D020701:Esophagoscopes; D005069:Evaluation Studies as Topic; D005452:Fluoresceins; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis*; D020699:Gastroscopes; D006801:Humans; D008722:Methods; D013272:Stomach Diseases / Q000175:diagnosis
chemical_list: D005452:Fluoresceins