title: Acute upper gastrointestinal bleeding among early and late elderly patients.
authors.forename: Amer A
authors.initials: AA
authors.lastname: Alkhatib
authors.forename: Fateh A
authors.initials: FA
authors.lastname: Elkhatib
mesh_terms: D000208:Acute Disease; D000368:Aged; D000369:Aged, 80 and over; D000375:Aging; D004632:Emergency Medical Services / Q000706:statistics & numerical data*; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis / Q000453:epidemiology*; D006801:Humans; D008297:Male; D012189:Retrospective Studies