title: Selective IgA deficiency and chronic obstructive pulmonary disease--a family study.
mesh_terms: D000328:Adult; D001796:Blood Protein Disorders / Q000097:blood / Q000235:genetics* / Q000276:immunology; D002648:Child; D002908:Chronic Disease; D005260:Female; D006801:Humans; D017098:IgA Deficiency; D008173:Lung Diseases, Obstructive / Q000097:blood / Q000235:genetics* / Q000276:immunology; D008297:Male; D010375:Pedigree; D011485:Protein Binding; D000515:alpha 1-Antitrypsin / Q000032:analysis
chemical_list: D000515:alpha 1-Antitrypsin