title: Serological reactions in sheep-pox. II. Agar-gel diffusion test.
mesh_terms: D000818:Animals; D007106:Immune Sera; D005779:Immunodiffusion; D011213:Poxviridae Infections / Q000276:immunology / Q000662:veterinary*; D012756:Sheep; D012757:Sheep Diseases / Q000276:immunology*
chemical_list: D007106:Immune Sera