title: [The children with selective IgA deficiency registered at the All Japan Immunodeficiency Registry].
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004406:Dysgammaglobulinemia / Q000453:epidemiology*; D005260:Female; D006801:Humans; D017098:IgA Deficiency; D007564:Japan; D008297:Male; D012042:Registries