simultaneous transfer of delayed hypersensitivity to diphtheria toxin and to tuberculin has been accomplished in eight consecutive instances in man using extracts from washed leucocytes taken from the peripheral blood of tuberculin-positive , schick-negative donors who were highly sensitive ( i.e. , pseudoreactors ) to purified diphtheria toxin and toxoid .
C0023516
leucocytes
C0229664
peripheral blood