title: [The Ottawa COPD risk scale. Which patients should be hospitalized?].
authors.forename: Guy
authors.initials: G
authors.lastname: Sabourin
mesh_terms: D002170:Canada; D004636:Emergency Service, Hospital; D006760:Hospitalization; D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000628:therapy*; D018570:Risk Assessment / Q000379:methods*