The occurrence of virus particles in Rous hamster sarcoma.
D000818:Animals; D001358:Avian Sarcoma Viruses / Q000032:analysis* / Q000254:growth & development / Q000472:pathogenicity; D002642:Chick Embryo; D006224:Cricetinae; D046508:Culture Techniques; D005347:Fibroblasts; D007181:Inclusion Bodies, Viral; D008854:Microscopy, Electron; D001357:Sarcoma, Avian / Q000378:metabolism / Q000382:microbiology* / Q000473:pathology