Letter: HL-A W27 and juvenile rheumatoid arthritis.
D001171:Arthritis, Juvenile / Q000276:immunology*; D006680:HLA Antigens / Q000032:analysis*; D006649:Histocompatibility Antigens / Q000032:analysis*; D006801:Humans
D006680:HLA Antigens; D006649:Histocompatibility Antigens