title: Chronic obstructive pulmonary disease biomarker(s) for disease activity needed--urgently.
authors.forename: Jørgen
authors.initials: J
authors.lastname: Vestbo
authors.forename: Stephen
authors.initials: S
authors.lastname: Rennard
mesh_terms: D015415:Biomarkers; D018450:Disease Progression; D005541:Forced Expiratory Volume; D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis* / Q000188:drug therapy; D012720:Severity of Illness Index
chemical_list: D015415:Biomarkers