title: Perforation of the esophagus: a complication of instrumentation.
mesh_terms: D019723:Endoscopes; D004724:Endoscopy / Q000009:adverse effects*; D004939:Esophageal Perforation / Q000175:diagnosis / Q000209:etiology* / Q000628:therapy; D020701:Esophagoscopes; D004945:Esophagoscopy / Q000009:adverse effects; D006801:Humans