title: Physical activity and chronic obstructive pulmonary disease.
authors: Alvar
authors: A
authors: Agustí
mesh_terms: D000203:Activities of Daily Living; D015897:Comorbidity; D006801:Humans; D009043:Motor Activity; D029424:Pulmonary Disease, Chronic Obstructive / Q000453:epidemiology / Q000503:physiopathology* / Q000534:rehabilitation