title: COPD exacerbations.
authors.forename: M C
authors.initials: MC
authors.lastname: Haggerty
mesh_terms: D000553:Ambulatory Care / Q000191:economics*; D003362:Cost-Benefit Analysis; D017048:Health Care Costs; D017721:Hospital Costs; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000191:economics* / Q000628:therapy