title: True antibodies to DNA in systemic lupus erythematosus: activity of Fab and F(ab')2 fragments.
mesh_terms: D000906:Antibodies; D000937:Antigen-Antibody Reactions; D002499:Centrifugation, Density Gradient; D004247:DNA; D006801:Humans; D007074:Immunoglobulin G; D007136:Immunoglobulins / Q000032:analysis; D008180:Lupus Erythematosus, Systemic / Q000276:immunology*; D010434:Pepsin A; D010455:Peptides; D011485:Protein Binding; D014357:Trypsin
chemical_list: D000906:Antibodies; D007074:Immunoglobulin G; D007136:Immunoglobulins; D010455:Peptides; D004247:DNA; D014357:Trypsin; D010434:Pepsin A