title: An electron microscopic study of the FTA-ABS "beading" phenomenon with lupus erythematosus sera, using ferritin-conjugated anti-human IgG.
mesh_terms: D000818:Animals; D000888:Antibodies, Anti-Idiotypic; D000937:Antigen-Antibody Reactions; D000942:Antigens, Bacterial; D005293:Ferritins; D005455:Fluorescent Antibody Technique; D006801:Humans; D007106:Immune Sera; D007074:Immunoglobulin G; D008180:Lupus Erythematosus, Systemic / Q000276:immunology*; D008854:Microscopy, Electron; D011817:Rabbits / Q000276:immunology; D013587:Syphilis / Q000276:immunology; D014210:Treponema pallidum / Q000276:immunology*
chemical_list: D000888:Antibodies, Anti-Idiotypic; D000942:Antigens, Bacterial; D007106:Immune Sera; D007074:Immunoglobulin G; D005293:Ferritins