title: Characterization of the hematopoietic target cells of defective avian leukemia viruses by velocity sedimentation and density gradient centrifugation analyses.
mesh_terms: D000818:Animals; D001354:Avian Leukosis Virus / Q000235:genetics / Q000254:growth & development*; D002469:Cell Separation; D002471:Cell Transformation, Neoplastic; D002472:Cell Transformation, Viral; D002478:Cells, Cultured; D002499:Centrifugation, Density Gradient; D002645:Chickens; D003673:Defective Viruses / Q000254:growth & development*; D006098:Granulocytes / Q000382:microbiology; D006412:Hematopoietic Stem Cells / Q000382:microbiology*; D008264:Macrophages / Q000382:microbiology