title: [Efficacious diagnostics of hemorrhage from upper fragment of digestive tract (author's transl)].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D019723:Endoscopes; D004724:Endoscopy; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis*; D006801:Humans; D008875:Middle Aged
vernacular_title: Skuteczna diagnostyka krwawień z górnego odcinka przewodu pokarmowego.