title: Systemic effects of COPD: just the tip of the Iceberg.
authors.forename: Alvar
authors.initials: A
authors.lastname: Agusti
mesh_terms: D015897:Comorbidity; D005260:Female; D006801:Humans; D015994:Incidence; D008297:Male; D017410:Practice Guidelines as Topic; D011322:Primary Prevention / Q000379:methods; D011379:Prognosis; D029424:Pulmonary Disease, Chronic Obstructive / Q000453:epidemiology* / Q000517:prevention & control / Q000628:therapy*; D012307:Risk Factors; D012720:Severity of Illness Index; D016019:Survival Analysis