title: [Causes of failure of the endoscopy of the upper segment of the gastrointestinal tract].
authors.forename: A
authors.initials: A
authors.lastname: Straszak
authors.forename: E
authors.initials: E
authors.lastname: Nowakowska-Duława
authors.forename: R
authors.initials: R
authors.lastname: Kaczor
mesh_terms: D000328:Adult; D001007:Anxiety; D004868:Equipment Failure; D004935:Esophageal Diseases / Q000175:diagnosis* / Q000523:psychology; D004940:Esophageal Stenosis / Q000209:etiology*; D020701:Esophagoscopes; D004945:Esophagoscopy / Q000523:psychology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010349:Patient Compliance; D011602:Psychophysiologic Disorders / Q000209:etiology*
vernacular_title: Przyczyny niepowodzeń endoskopii górnego odcinka przewodu pokarmowego.