title: The coexistence of IgA deficiency and 21-hydroxylase deficiency marked by specific MHC supratypes.
mesh_terms: D000312:Adrenal Hyperplasia, Congenital / Q000235:genetics*; D002874:Chromosome Mapping; D004406:Dysgammaglobulinemia / Q000235:genetics*; D005260:Female; D006580:Genetic Carrier Screening; D005838:Genotype; D006680:HLA Antigens / Q000235:genetics; D015234:HLA-A Antigens; D015235:HLA-B Antigens; D006684:HLA-DR Antigens; D000949:Histocompatibility Antigens Class II / Q000235:genetics; D006650:Histocompatibility Testing; D006801:Humans; D017098:IgA Deficiency; D008285:Major Histocompatibility Complex; D008297:Male; D010375:Pedigree; D013250:Steroid Hydroxylases / Q000172:deficiency*
chemical_list: D006680:HLA Antigens; D015234:HLA-A Antigens; D015235:HLA-B Antigens; D006684:HLA-DR Antigens; D000949:Histocompatibility Antigens Class II; D013250:Steroid Hydroxylases