title: Prevalence of alpha-1-antitrypsin deficiency in C.O.P.D. and some other respiratory illnesses.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008171:Lung Diseases / Q000201:enzymology*; D008173:Lung Diseases, Obstructive / Q000201:enzymology*; D008297:Male; D008875:Middle Aged; D012907:Smoking; D019896:alpha 1-Antitrypsin Deficiency