title: Rare complication of upper gastrointestinal endoscopy: doubled-back endoscope in the esophagus.
authors.affiliation: 2nd Department of Medicine, Semmelweis University, Budapest, Hungary. pregunistvan@yahoo.com
authors.forename: I
authors.initials: I
authors.lastname: Pregun
authors.forename: T
authors.initials: T
authors.lastname: Zágoni
authors.forename: A
authors.initials: A
authors.lastname: Péter
authors.forename: Z
authors.initials: Z
authors.lastname: Máthé
authors.forename: I
authors.initials: I
authors.lastname: Hritz
authors.forename: Z
authors.initials: Z
authors.lastname: Tulassay
mesh_terms: D015746:Abdominal Pain / Q000175:diagnosis / Q000209:etiology; D020878:Device Removal / Q000379:methods*; D016099:Endoscopy, Gastrointestinal / Q000009:adverse effects / Q000379:methods; D004868:Equipment Failure; D004947:Esophagus; D005500:Follow-Up Studies; D005547:Foreign Bodies / Q000000981:diagnostic imaging* / Q000601:surgery; D020699:Gastroscopes / Q000009:adverse effects*; D005773:Gastroscopy / Q000009:adverse effects / Q000379:methods; D006396:Hematemesis / Q000175:diagnosis / Q000209:etiology; D006801:Humans; D007813:Laparotomy; D008297:Male; D008875:Middle Aged; D011859:Radiography; D018570:Risk Assessment