title: Familial occurrence of isolated IgA deficiency associated with antibodies to IgA. Evidence against a structural gene defect.
mesh_terms: D000918:Antibody Specificity; D006385:Hemagglutination Inhibition Tests; D006386:Hemagglutination Tests; D006801:Humans; D007125:Immunogenetics; D007070:Immunoglobulin A; D007153:Immunologic Deficiency Syndromes / Q000235:genetics*; D007518:Isoantibodies / Q000032:analysis*; D010375:Pedigree
chemical_list: D007070:Immunoglobulin A; D007518:Isoantibodies