title: A five-year-old boy with hematemesis.
authors.affiliation: Emergency Department, Primary Children's Medical Center, Salt Lake City, Utah, USA.
authors.forename: M A
authors.initials: MA
authors.lastname: Maycock
mesh_terms: D002675:Child, Preschool; D003937:Diagnosis, Differential; D016529:Emergency Nursing; D006396:Hematemesis / Q000209:etiology*; D006801:Humans; D008297:Male; D009730:Nursing Assessment; D013276:Stomach Ulcer / Q000150:complications* / Q000175:diagnosis / Q000451:nursing