these findings are compatible with the facts that cell-mediated immunity and serum blocking factors are found when there is a grossly discernible antigenic source , that serum blocking factors are lost in patients who are clinically free of tumor and that in some patients who are clinically cured with a possible total loss of antigenic presence there is a disappearance of significant cell-mediated immunity .
C0003320
antigenic
C0020966
cell-mediated immunity