title: Chronic obstructive pulmonary disease phenotypes. Past, present, and future.
authors.affiliation: 1 Hôpital Cochin, Assistance Publique-Hôpitaux de Paris, Paris, France.
authors.forename: Pierre-Régis
authors.initials: PR
authors.lastname: Burgel
authors.forename: Sanjay
authors.initials: S
authors.lastname: Sethi
authors.forename: Victor
authors.initials: V
authors.lastname: Kim
mesh_terms: D005260:Female; D005541:Forced Expiratory Volume / Q000502:physiology*; D006801:Humans; D008297:Male; D029424:Pulmonary Disease, Chronic Obstructive / Q000145:classification*