Diagnosing COPD.
David M G
DM
Halpin
D000402:Airway Obstruction / Q000175:diagnosis* / Q000453:epidemiology*; D003937:Diagnosis, Differential; D006801:Humans; D015995:Prevalence; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis* / Q000453:epidemiology*