in the ria , nucleocapsid antigen of virus isolated from subacute sclerosing panencephalitis ( sspe ) was indistinguishable from that of edmonston strain measles virus , indicating antigenic homology between the 40 000 mol . wt . nucleocapsid polypeptide of the sspe virus and that of measles virus .
C0003342
antigen
C0003320
antigenic