[Cultivation of Rous sarcoma viruses in chick fibroblast cultures].
D000818:Animals; D002645:Chickens; D005347:Fibroblasts; D009369:Neoplasms / Q000821:virology*; D052736:Rous sarcoma virus; D012509:Sarcoma / Q000821:virology*; D001357:Sarcoma, Avian; D014780:Viruses / Q000208:ethnology*
NEOPLASMS/virology; SARCOMA/virology; VIRUSES/culture