title: Quantitation of anti-ENA antibodies by a modified ELISA in patients with SLE and MCTD.
mesh_terms: D000974:Antibodies, Antinuclear / Q000032:analysis*; D004797:Enzyme-Linked Immunosorbent Assay / Q000379:methods*; D006801:Humans; D007124:Immunoenzyme Techniques; D008180:Lupus Erythematosus, Systemic / Q000276:immunology*; D008947:Mixed Connective Tissue Disease / Q000276:immunology*
chemical_list: D000974:Antibodies, Antinuclear