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Virus antigen in BHK cells expressing hCEA glycoproteins. Cultures treated as described for Fig. 7 were fixed and FA stained for the presence of viral antigen. (A) BHK-hCEA cells infected with V51B; (B) BHK cells infected with V51B; (C) BHK-hCEA cells infected with MHV-A59; (D) BHK cells infected with MHV-A59.
