title: Alpha 1-antitrypsin serum concentration and respiratory symptoms in 1294 healthy men.
mesh_terms: D000328:Adult; D006801:Humans; D008168:Lung / Q000502:physiology* / Q000503:physiopathology; D008171:Lung Diseases / Q000175:diagnosis / Q000503:physiopathology; D008297:Male; D012907:Smoking; D000515:alpha 1-Antitrypsin / Q000097:blood*
chemical_list: D000515:alpha 1-Antitrypsin