Virus-like particles in L5178Y murine leukaemic cells.
D000818:Animals; D002460:Cell Line; D002499:Centrifugation, Density Gradient; D046508:Culture Techniques; D007942:Leukemia, Experimental / Q000382:microbiology*; D008324:Mammary Tumor Virus, Mouse / Q000302:isolation & purification; D051379:Mice; D008854:Microscopy, Electron