title: Occurrence and formation of virus particles in leukemic cells of the lah transplantable mouse leukemia.
mesh_terms: D000818:Animals; D004721:Endoplasmic Reticulum / Q000473:pathology*; D009052:Leukemia Virus, Murine / Q000166:cytology*; D007942:Leukemia, Experimental / Q000473:pathology*; D051379:Mice; D008854:Microscopy, Electron; D013154:Spleen / Q000473:pathology*