title: [Mechanism of acquired immunity in ectromelia virus infection; application of neonatally thymectomized mice].
mesh_terms: D000818:Animals; D002460:Cell Line; D004481:Ectromelia virus; D000882:Haplorhini; D007110:Immunity, Active; D007668:Kidney; D051379:Mice; D011213:Poxviridae Infections / Q000276:immunology*; D013154:Spleen / Q000276:immunology; D013934:Thymectomy; D014776:Virus Cultivation