ABSTRACT
BloodtransfusionsreportedlyalsoprimethecytotoxicT-lymphoctyeprecursor(150)aswell astheT-helperprecursorcompartment(151).However,Sachs(152)suggeststhatavailable datacannotdiscriminatebetweenthreemechanismsofpossiblespecifictransplantation tolerance:clonaldeletion,clonalanergy,oractiveimmunologicsuppression.
