the serovar-specificity of the leptospiricidal activity test mediated by antiserum and complement was demonstrated by the fact that the leptospiricidal activity of the antiserum against the serovar-specific main ( tm ) antigen of copenhageni shibaura and the antiserum against the whole cells of the same strain were inhibited by the homologous but not the heterologous tm antigens .
C0003320
antigen
C0003333
heterologous