antiserum prepared against hcl-treated bacteria was found to react with both antigens to the same extent ( i ) in the passive hemolysis test , ( ii ) in the passive hemolysis inhibition test , and ( iii ) in absorption experiments , suggesting that antibodies in this antiserum recognize an antigenic determinant equally present in lipa-ac and lipa-hcl .
C0003241
antibodies
C0020960
antiserum