using monoclonal antibodies to mr 70,000 glycoprotein epitopes characteristic of ecotropic , xenotropic , or dualtropic viruses , antigens marking each virus form were found on thymocytes of allogeneic 4-wk and 4-mo chimeras as well as on the cells of akr mice and of akr mice reconstituted with syngeneic marrow .
C0003316
epitopes
C0003320
antigens