title: Separation of RNA-dependent DNA polymerase activity from the murine leukaemia virion.
mesh_terms: D002499:Centrifugation, Density Gradient; D004254:DNA Nucleotidyltransferases / Q000302:isolation & purification*; D007106:Immune Sera; D009052:Leukemia Virus, Murine / Q000201:enzymology*; D008854:Microscopy, Electron; D014764:Viral Proteins / Q000032:analysis*
chemical_list: D007106:Immune Sera; D014764:Viral Proteins; D004254:DNA Nucleotidyltransferases