title: ABC of chronic obstructive pulmonary disease. Definition, epidemiology, and risk factors.
authors.affiliation: Department of Environmental and Occupational Medicine, University of Aberdeen, Aberdeen.
authors.forename: Graham
authors.initials: G
authors.lastname: Devereux
mesh_terms: D000397:Air Pollution / Q000009:adverse effects; D017281:Cost of Illness; D006801:Humans; D016273:Occupational Exposure / Q000009:adverse effects; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis / Q000453:epidemiology / Q000209:etiology; D012307:Risk Factors; D012907:Smoking / Q000009:adverse effects; D019896:alpha 1-Antitrypsin Deficiency / Q000150:complications