previous work from this laboratory has shown that preimmunization of syngeneic hosts with rous sarcoma virus ( rsv ) -transformed cells elicits a strong immune response against the growth of transplantable rsv sarcomas , mediated by t lymphocytes expressing the surface phenotype of helper cell precursors ( prat , di renzo & comoglio , 1983 ) .
C0007634
cells
C0699040
surface