title: Changing concepts of COPD.
authors.forename: T S
authors.initials: TS
authors.lastname: Mair
mesh_terms: D000818:Animals; D006734:Horse Diseases / Q000175:diagnosis* / Q000453:epidemiology / Q000628:therapy; D006736:Horses; D008173:Lung Diseases, Obstructive / Q000175:diagnosis / Q000453:epidemiology / Q000662:veterinary*; D006113:United Kingdom / Q000453:epidemiology