title: Resolution of the identity of certain antigen-antibody systems in systemic lupus erythematosus and Sjögren's syndrome: an interlaboratory collaboration.
mesh_terms: D000974:Antibodies, Antinuclear / Q000032:analysis; D000941:Antigens / Q000032:analysis*; D001323:Autoantibodies / Q000032:analysis*; D006801:Humans; D005779:Immunodiffusion; D008180:Lupus Erythematosus, Systemic / Q000276:immunology*; D012859:Sjogren's Syndrome / Q000276:immunology*
chemical_list: D000974:Antibodies, Antinuclear; D000941:Antigens; D001323:Autoantibodies