title: Serum from the cotton rat (Sigmodon hispidus) lacks lytic activity against some Trypanosoma vivax stocks. Short communication.
mesh_terms: D000372:Agglutination Tests; D000818:Animals; D003411:Arvicolinae / Q000097:blood*; D051379:Mice; D008807:Mice, Inbred BALB C; D014345:Trypanosoma / Q000276:immunology*