to approach these questions , we developed a sensitive enzyme-linked immunospot ( elispot ) assay to measure spontaneous secretion of antibody to single-stranded ( ss ) dna , double-stranded ( ds ) dna , tetanus toxoid , and polyclonal immunoglobulin ( ig ) by purified cd5+ and cd5- b cells of 15 sle patients and 15 healthy control subjects .
C0012935
single-stranded
C0012854
double-stranded