the following three groups were identified as recognizing three different epitopes : monoclonal antibodies binding to ( i ) s. flexneri lps with the ii:3,4 antigens , ( ii ) s. flexneri lps with the ii:3,4 antigens and the ii:7,8 antigens , and ( iii ) s. flexneri lps with the 7,8 group antigen only .
C0003316
epitopes
C0003320
antigen