title: [The possibility of erroneously diagnosing the causes of upper digestive tract hemorrhages].
mesh_terms: D003937:Diagnosis, Differential; D004381:Duodenal Ulcer / Q000175:diagnosis; D004932:Esophageal and Gastric Varices / Q000175:diagnosis; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D013276:Stomach Ulcer / Q000175:diagnosis
vernacular_title: Mozliwość pomyłek w rozpoznawaniu przyczyny krwawienia z górnego odcinka przewodu pokarmowego.