Breathing new perspectives into chronic obstructive pulmonary disease.
Institute of Occupational and Environmental Medicine, University of Birmingham , Birmingham , United Kingdom.
Martin R
MR
Miller
D004417:Dyspnea / Q000175:diagnosis*; D005260:Female; D006304:Health Status; D006801:Humans; D008297:Male; D029424:Pulmonary Disease, Chronic Obstructive / Q000145:classification*; D012720:Severity of Illness Index
COPD; breathlessness; lung function testing; spirometry; symptoms