three different procedures have been used for detecting antibodies to roferon-a ( recombinant human interferon alfa-2a , rhuifn alpha-2a ) in the serum of patients who received this interferon as part of ongoing clinical trials : an antiviral neutralization bioassay ( anb ) , the standard method recommended by the world health organization ( who ) , and the more recently developed radioimmunoassay ( ria ) and enzymeimmunoassay ( eia ) .
C0021734
recombinant
C0021747
interferon