title: [Characteristics of the onset and evolution of chronic obstructive bronchopneumopathy in nonsmokers].
mesh_terms: D001991:Bronchitis / Q000453:epidemiology* / Q000401:mortality / Q000503:physiopathology; D002908:Chronic Disease; D006801:Humans; D008297:Male; D012306:Risk; D012383:Romania; D012907:Smoking; D014692:Ventilation-Perfusion Ratio
vernacular_title: Particularităţi în instalarea şi evoluţia B.P.O.C. la nefumători.