title: Circulating immune complexes in patients with necrotizing vasculitis.
mesh_terms: D000920:Antibody-Dependent Cell Cytotoxicity; D000936:Antigen-Antibody Complex; D001172:Arthritis, Rheumatoid / Q000276:immunology; D001665:Binding Sites; D002499:Centrifugation, Density Gradient; D003172:Complement C1; D003165:Complement System Proteins / Q000172:deficiency; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000276:immunology; D011961:Receptors, Fc; D018366:Vasculitis, Leukocytoclastic, Cutaneous / Q000276:immunology*
chemical_list: D000936:Antigen-Antibody Complex; D003172:Complement C1; D011961:Receptors, Fc; D003165:Complement System Proteins