the antibodies elicited by the fetus were hemagglutinating but not cytotoxic , and consisted of only one isotype , igg2a , whereas in the alloantiserum raised by skin grafting and the injection of lymphocytes , they were distributed among the igg2a greater than igg1 greater than igm isotypes and were both hemagglutinating and cytotoxic .
C0003241
antibodies
C0021017
isotype