Suppressor cells and IgA deficiency.
D000293:Adolescent; D000328:Adult; D001402:B-Lymphocytes / Q000276:immunology; D002478:Cells, Cultured; D002648:Child; D002675:Child, Preschool; D004406:Dysgammaglobulinemia / Q000276:immunology*; D006801:Humans; D007111:Immunity, Cellular; D007070:Immunoglobulin A / Q000096:biosynthesis; D007165:Immunosuppression Therapy; D037102:Lectins / Q000494:pharmacology; D008875:Middle Aged; D013601:T-Lymphocytes / Q000276:immunology
D007070:Immunoglobulin A; D037102:Lectins