title: Effect of a murine leukaemia virus on "backgroud" antibody plaque-forming cells to sheep erythrocytes and E. coli antigen.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000937:Antigen-Antibody Reactions; D004912:Erythrocytes / Q000276:immunology*; D004926:Escherichia coli / Q000276:immunology*; D005622:Friend murine leukemia virus / Q000276:immunology*; D051379:Mice; D012756:Sheep; D013154:Spleen / Q000276:immunology