title: HLA-B27 related arthritis, sulphasalazine and rheumatoid arthritis.
mesh_terms: D001168:Arthritis / Q000188:drug therapy / Q000276:immunology* / Q000503:physiopathology; D001172:Arthritis, Rheumatoid / Q000188:drug therapy* / Q000276:immunology / Q000503:physiopathology; D004729:Endothelium, Lymphatic / Q000503:physiopathology; D006680:HLA Antigens / Q000032:analysis*; D015796:HLA-B27 Antigen; D006801:Humans; D008214:Lymphocytes / Q000503:physiopathology; D012460:Sulfasalazine / Q000627:therapeutic use*
chemical_list: D006680:HLA Antigens; D015796:HLA-B27 Antigen; D012460:Sulfasalazine