title: [Complication of endoscopic examination of the upper segment of the gastrointestinal tract].
mesh_terms: D000368:Aged; D005753:Gastric Mucosa / Q000293:injuries*; D005773:Gastroscopy / Q000009:adverse effects*; D006396:Hematemesis / Q000209:etiology*; D006801:Humans; D008297:Male; D008309:Mallory-Weiss Syndrome / Q000209:etiology*
vernacular_title: Powikłanie badania endoskopowego górnego odcinka przewodu pokarmowego.