Chronic obstructive pulmonary disease exacerbation frequency and severity.
Respiratory Medicine Department, University of Thessaly Medical School, University Hospital of Larissa, Larissa, Greece.
Eirini
E
Stafyla
Theodora
T
Kerenidi
Konstantinos I
KI
Gourgoulianis
D018450:Disease Progression; D005260:Female; D006801:Humans; D008297:Male; D029424:Pulmonary Disease, Chronic Obstructive; D018570:Risk Assessment / Q000379:methods*; D012720:Severity of Illness Index