the diverse preparations were used as antigens in the enzyme-linked immunosorbent assay ( elisa ) of antibody titers in sera from patients with goodpasture syndrome and patients with other forms of glomerulonephritis , that is , systemic lupus erythematosus , periarteritis nodosa , and iga-related nephropathy .
C0017658
glomerulonephritis
C0017661
iga