immunostaining patterns of two glia-associated proteins , glial fibrillary acidic protein ( gfap ) and s-100 protein ( s100p ) , were compared using the peroxidase-antiperoxidase ( pap ) method on adjacent paraffin sections in 100 brain tumors including 52 astroglial tumors , 13 oligodendrogliomas , 14 ependymomas , 13 choroid plexus papillomas and 8 medulloblastomas .
C0027836
glia
C0028945
oligodendrogliomas