_:uZivrgrT1550 . _:uZivrgrT1550 "Sarcoma_viruses$002C_avian". . . . . . . "Source: Freebase - The World's database". "Rous sarcoma virus"@en. . . . . . . . _:uZivrgrT1550. _:uZivrgrT1554. _:uZivrgrT1548. _:uZivrgrT1549. _:uZivrgrT1551. _:uZivrgrT1552. _:uZivrgrT1553. "Rous sarcoma virus"@en. "Rous-Sarkom-Virus"@de. _:uZivrgrT1548 . _:uZivrgrT1548 "4334732". _:uZivrgrT1549 . _:uZivrgrT1549 "Rous_sarcoma_virus". _:uZivrgrT1551 . _:uZivrgrT1551 "rous_sarcoma_virus". _:uZivrgrT1552 . _:uZivrgrT1552 "Rous_sarcoma". _:uZivrgrT1553 . _:uZivrgrT1553 "Rous_Sarcoma_Virus". _:uZivrgrT1554 . _:uZivrgrT1554 "11886".