Familial deficiency of immunoglobulin IgA2.
D004406:Dysgammaglobulinemia / Q000235:genetics*; D005260:Female; D005796:Genes; D006801:Humans; D017098:IgA Deficiency; D007070:Immunoglobulin A / Q000032:analysis / Q000145:classification / Q000235:genetics; D007143:Immunoglobulin Heavy Chains / Q000235:genetics; D008297:Male
D007070:Immunoglobulin A; D007143:Immunoglobulin Heavy Chains