Germs and joints.
D004756:Enterobacteriaceae Infections / Q000150:complications*; D006680:HLA Antigens / Q000032:analysis / Q000276:immunology; D015796:HLA-B27 Antigen; D006801:Humans; D007592:Joint Diseases / Q000209:etiology*
D006680:HLA Antigens; D015796:HLA-B27 Antigen