title: IgG2 deficiency and ataxia-telangiectasia.
mesh_terms: D000328:Adult; D001260:Ataxia Telangiectasia / Q000150:complications / Q000235:genetics / Q000276:immunology* / Q000378:metabolism; D002648:Child; D004247:DNA / Q000096:biosynthesis; D004260:DNA Repair; D004406:Dysgammaglobulinemia / Q000276:immunology*; D006801:Humans; D017099:IgG Deficiency; D007074:Immunoglobulin G / Q000032:analysis / Q000145:classification; D007136:Immunoglobulins / Q000032:analysis; D007223:Infant; D007231:Infant, Newborn; D007239:Infections / Q000453:epidemiology; D009369:Neoplasms / Q000453:epidemiology; D011830:Radiation Effects; D012306:Risk
chemical_list: D007074:Immunoglobulin G; D007136:Immunoglobulins; D004247:DNA