[Role of virus in the growth of leukemic cells, with special reference to Friend tumor of rats].
D000818:Animals; D000831:Animals, Newborn; D002471:Cell Transformation, Neoplastic; D005622:Friend murine leukemia virus; D007942:Leukemia, Experimental / Q000473:pathology*; D051379:Mice; D008854:Microscopy, Electron; D051381:Rats