title: Nasogastric aspiration: a useful tool in some patients with gastrointestinal bleeding.
authors.affiliation: University of Maryland School of Medicine, Department of Emergency Medicine, Baltimore, MD, USA.
authors.forename: Robert S
authors.initials: RS
authors.lastname: Anderson
authors.forename: Michael D
authors.initials: MD
authors.lastname: Witting
mesh_terms: D004636:Emergency Service, Hospital; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis / Q000628:therapy*; D006396:Hematemesis / Q000209:etiology; D006801:Humans; D007441:Intubation, Gastrointestinal / Q000009:adverse effects; D053120:Respiratory Aspiration