title: Human models of exacerbations of COPD: no extrapolation needed.
authors.forename: Sanjay
authors.initials: S
authors.lastname: Sethi
authors.forename: William
authors.initials: W
authors.lastname: MacNee
mesh_terms: D000818:Animals; D004195:Disease Models, Animal; D018450:Disease Progression; D006801:Humans; D008954:Models, Biological; D029424:Pulmonary Disease, Chronic Obstructive / Q000503:physiopathology*; D012720:Severity of Illness Index