title: Absence of antibodies to Yersinia enterocolitica in patients with ankylosing spondylitis in London.
mesh_terms: D000907:Antibodies, Bacterial / Q000032:analysis*; D005387:Finland; D006801:Humans; D008131:London; D013167:Spondylitis, Ankylosing / Q000276:immunology*; D015008:Yersinia enterocolitica / Q000276:immunology*
chemical_list: D000907:Antibodies, Bacterial