title: Multimorbidity in elderly patients with chronic obstructive pulmonary disease: stop smoking! Go exercise?
authors.affiliation: 1 Université Paris Descartes Sorbonne Paris Cité Paris, France and.
authors.forename: Pierre-Régis
authors.initials: PR
authors.lastname: Burgel
authors.forename: Enrico M
authors.initials: EM
authors.lastname: Clini
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D029424:Pulmonary Disease, Chronic Obstructive / Q000209:etiology*