title: Electron microscopy of Friend virus-exposed Friend tumor cells; with special reference to the appearance of intracytoplasmic "A" particles.
mesh_terms: D000818:Animals; D003588:Cytopathogenic Effect, Viral; D003593:Cytoplasm; D005622:Friend murine leukemia virus; D051379:Mice; D008854:Microscopy, Electron; D009374:Neoplasms, Experimental / Q000473:pathology*