title: Letter: Salmonella arthritis and HL-A27.
mesh_terms: D001170:Arthritis, Infectious / Q000276:immunology*; D003718:Denmark; D005387:Finland; D006649:Histocompatibility Antigens / Q000302:isolation & purification*; D006801:Humans; D044469:Racial Groups; D012480:Salmonella Infections / Q000276:immunology*
chemical_list: D006649:Histocompatibility Antigens