title: APACHE II scoring in surgical upper gastrointestinal emergencies.
authors.affiliation: Department of Surgery, University of the Witwatersrand, Johannesburg, South Africa.
authors.forename: M
authors.initials: M
authors.lastname: Schein
authors.forename: A
authors.initials: A
authors.lastname: D'Egidio
mesh_terms: D004630:Emergencies; D006801:Humans; D010438:Peptic Ulcer Hemorrhage / Q000401:mortality / Q000601:surgery*; D010439:Peptic Ulcer Perforation / Q000401:mortality / Q000601:surgery*; D011379:Prognosis; D011446:Prospective Studies; D012189:Retrospective Studies; D012307:Risk Factors; D012720:Severity of Illness Index