title: Absent IgA associated with normal chromosomes.
mesh_terms: D000293:Adolescent; D000328:Adult; D000361:Agammaglobulinemia / Q000150:complications* / Q000235:genetics; D002648:Child; D002869:Chromosome Aberrations; D025063:Chromosome Disorders; D002902:Chromosomes, Human, 16-18; D005260:Female; D006801:Humans; D005779:Immunodiffusion; D007070:Immunoglobulin A / Q000032:analysis; D007136:Immunoglobulins / Q000032:analysis*; D007621:Karyotyping; D008297:Male
chemical_list: D007070:Immunoglobulin A; D007136:Immunoglobulins