title: Agar gel diffusion studies of paravaccinia viruses.
mesh_terms: D000818:Animals; D000906:Antibodies; D002417:Cattle; D002418:Cattle Diseases / Q000276:immunology*; D007106:Immune Sera; D005779:Immunodiffusion; D011212:Poxviridae / Q000276:immunology*; D011213:Poxviridae Infections / Q000662:veterinary; D012756:Sheep; D012757:Sheep Diseases / Q000276:immunology*
chemical_list: D000906:Antibodies; D007106:Immune Sera