title: Friend leukemia virus spleen focus assay: relationship of spleen foci to viremia, splenomegaly, and survival time.
mesh_terms: D000818:Animals; D005622:Friend murine leukemia virus; D007942:Leukemia, Experimental / Q000382:microbiology*; D051379:Mice; D009929:Organ Size; D012737:Sex Factors; D013154:Spleen / Q000382:microbiology*; D013163:Splenomegaly / Q000209:etiology*