Enhancement of spleen focus formation and virus replication in Friend virus-infected mice.
D000818:Animals; D004731:Endotoxins / Q000494:pharmacology; D004921:Erythropoietin / Q000494:pharmacology; D005622:Friend murine leukemia virus / Q000254:growth & development*; D006410:Hematopoiesis; D051379:Mice; D009522:Newcastle disease virus; D012328:RNA Viruses; D013154:Spleen; D014779:Virus Replication
D004731:Endotoxins; D004921:Erythropoietin