Human leukocyte antigens (HLA).
D000293:Adolescent; D000328:Adult; D000936:Antigen-Antibody Complex; D002462:Cell Membrane; D002906:Chromosomes, Human, 6-12 and X; D006680:HLA Antigens; D006650:Histocompatibility Testing; D006801:Humans; D007152:Immunologic Capping; D007959:Lymphocyte Culture Test, Mixed; D008297:Male; D011877:Radionuclide Imaging; D012446:Sacroiliac Joint / Q000000981:diagnostic imaging; D013166:Spondylitis / Q000276:immunology
D000936:Antigen-Antibody Complex; D006680:HLA Antigens