[Chronic obstructive pulmonary disease: an underdiagnosed killer].
Huchon
Gérard
G
D019468:Disease Management; D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis* / Q000453:epidemiology*; D012307:Risk Factors; D012907:Smoking / Q000009:adverse effects; D013147:Spirometry