title: An electron microscopic study of the leukemia virus in AKR and hybrid mice inoculated with ascites passage or tissue-cultured leukemic cells.
mesh_terms: D000818:Animals; D002875:Chromosomes; D046508:Culture Techniques; D005823:Genetics; D009052:Leukemia Virus, Murine / Q000472:pathogenicity; D007942:Leukemia, Experimental / Q000473:pathology*; D008198:Lymph Nodes / Q000473:pathology; D051379:Mice; D008854:Microscopy, Electron; D014774:Virulence