immunofluorescence ( if ) assays with the monoclonal anti-thy 1.2 sera demonstrated that thy 1.2 antigen was not expressed on the surface membranes of mmec ( both virus-free balb/c and virus-infected balb/cfc3h ) and tumor ( balb/cfc3h ) mammary epithelial cells .
C0929301
mmec
C0006141
mammary