Spleen foci and polycythemia in C57B1 mice infected with host-adapted Friend leukemia virus.
D000818:Animals; D005622:Friend murine leukemia virus / Q000472:pathogenicity*; D006648:Histocompatibility; D051379:Mice; D011086:Polycythemia / Q000150:complications*; D013045:Species Specificity; D013163:Splenomegaly / Q000150:complications*; D014774:Virulence; D014779:Virus Replication