six cases of choriocarcinoma , 17 of vesicular mole , 20 normal pregnant females in the first trimester of pregnancy , and 20 normal nonpregnant women wih previous normal obstetrical history were evaluated quantitatively for cell-mediated immunity by response to 2:4 dinitrocholorobenzene and recall antigens .
C0020966
cell-mediated immunity
C0003320
antigens