[Early diagnosis of COPD].
Zieliński
J
J
Klinika Chorób Płuc, Instytut Gruźlicy i Chorób Płuc, Warszawa.
D018450:Disease Progression; D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis*; D012129:Respiratory Function Tests; D013147:Spirometry; D013997:Time Factors