paired samples of serum and concentrated cerebrospinal fluid ( csf ) from 20 multiple sclerosis ( ms ) patients and 10 controls with no central nervous system disease were electrofocused and analysed for igg and measles and varicella zoster virus igg antibodies by imprint immunofixation using igg subclass specific monoclonal antibodies .
C0026769
multiple sclerosis
C0007682
central nervous system