title: Molecular mimicry and H-Ir genes.
mesh_terms: D000220:Adaptation, Biological; D003429:Cross Reactions; D005802:Genes, MHC Class II; D006680:HLA Antigens / Q000235:genetics; D006801:Humans; D013167:Spondylitis, Ankylosing / Q000235:genetics / Q000276:immunology
chemical_list: D006680:HLA Antigens