title: Emergency fibreendoscopy following acute gastrointestinal haemorrhage in patients with portal hypertension.
mesh_terms: D004724:Endoscopy; D004932:Esophageal and Gastric Varices / Q000175:diagnosis; D005336:Fiber Optic Technology; D006471:Gastrointestinal Hemorrhage / Q000150:complications* / Q000175:diagnosis; D006801:Humans; D006975:Hypertension, Portal / Q000150:complications*