title: Alpha-1-antitrypsin: 1. Evidence for two genes causing low concentrations in serum; 2. Association of heterozygosity and chronic obstructive lung disease.
mesh_terms: D005260:Female; D005796:Genes; D006579:Heterozygote; D006801:Humans; D005779:Immunodiffusion; D007122:Immunoelectrophoresis; D008171:Lung Diseases / Q000235:genetics*; D008173:Lung Diseases, Obstructive / Q000201:enzymology / Q000235:genetics; D008297:Male; D014361:Trypsin Inhibitors
chemical_list: D014361:Trypsin Inhibitors