title: [Passive transfer of acquired resistance by peritoneal exudate cells and spleen cells of mice immunized with ectromelia virus].
mesh_terms: D000818:Animals; D004481:Ectromelia virus / Q000276:immunology*; D007106:Immune Sera; D007112:Immunity, Maternally-Acquired; D051379:Mice; D010537:Peritoneum / Q000166:cytology*; D011213:Poxviridae Infections / Q000276:immunology; D013154:Spleen / Q000166:cytology*
chemical_list: D007106:Immune Sera