title: Severe occult upper gastrointestinal haemorrhage.
authors.affiliation: Cambridge University Hospitals NHS Foundation Trust. mail@riazagha.com
authors.forename: R
authors.initials: R
authors.lastname: Agha
authors.forename: M
authors.initials: M
authors.lastname: Agha
mesh_terms: D000369:Aged, 80 and over; D004381:Duodenal Ulcer / Q000150:complications* / Q000175:diagnosis; D004935:Esophageal Diseases / Q000150:complications* / Q000175:diagnosis; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D009780:Occult Blood; D014456:Ulcer / Q000150:complications* / Q000175:diagnosis