title: Transforming capacities and defectiveness of avian leukemia viruses OK10 and E 26.
mesh_terms: D000818:Animals; D001354:Avian Leukosis Virus / Q000254:growth & development / Q000502:physiology*; D001854:Bone Marrow Cells; D002471:Cell Transformation, Neoplastic; D002472:Cell Transformation, Viral; D002478:Cells, Cultured; D003673:Defective Viruses / Q000502:physiology*; D008264:Macrophages / Q000382:microbiology