A new "double ring" screening test for alpha1-antitrypsin variants.
D000906:Antibodies; D000937:Antigen-Antibody Reactions; D006579:Heterozygote; D006720:Homozygote; D006358:Hot Temperature; D006801:Humans; D006863:Hydrogen-Ion Concentration; D005779:Immunodiffusion; D008722:Methods; D010641:Phenotype; D011233:Precipitin Tests; D011656:Pulmonary Emphysema / Q000235:genetics; D013997:Time Factors; D014361:Trypsin Inhibitors / Q000097:blood*
D000906:Antibodies; D014361:Trypsin Inhibitors