title: Biochemical aspects of infection in rheumatoid arthritis and ankylosing spondylitis.
mesh_terms: D001170:Arthritis, Infectious / Q000382:microbiology*; D001172:Arthritis, Rheumatoid / Q000209:etiology* / Q000382:microbiology; D001424:Bacterial Infections / Q000150:complications* / Q000378:metabolism; D001671:Biochemistry / Q000379:methods; D003429:Cross Reactions; D004751:Enteritis / Q000209:etiology; D004755:Enterobacteriaceae / Q000276:immunology; D006680:HLA Antigens / Q000276:immunology / Q000502:physiology; D015796:HLA-B27 Antigen; D006801:Humans; D007120:Immunochemistry / Q000379:methods; D013167:Spondylitis, Ankylosing / Q000150:complications / Q000209:etiology* / Q000382:microbiology
chemical_list: D006680:HLA Antigens; D015796:HLA-B27 Antigen