title: Antibodies to peptidoglycan in juvenile ankylosing spondylitis.
mesh_terms: D001323:Autoantibodies / Q000032:analysis*; D006801:Humans; D010457:Peptidoglycan / Q000276:immunology*; D013167:Spondylitis, Ankylosing / Q000276:immunology*
chemical_list: D001323:Autoantibodies; D010457:Peptidoglycan