title: Cultivation of sheep pox virus on the chorioallantoic membrane of chicken embryo.
mesh_terms: D000818:Animals; D002642:Chick Embryo; D005321:Extraembryonic Membranes; D011212:Poxviridae / Q000254:growth & development*; D011213:Poxviridae Infections / Q000209:etiology / Q000662:veterinary; D012756:Sheep / Q000382:microbiology*; D012757:Sheep Diseases / Q000209:etiology; D014776:Virus Cultivation / Q000379:methods*