title: Isolation and comparative study "in vitro" of five strains of contagious ecthyma of sheep.
mesh_terms: D000818:Animals; D004474:Ecthyma, Contagious / Q000382:microbiology / Q000662:veterinary*; D009500:Neutralization Tests; D011212:Poxviridae / Q000302:isolation & purification*; D012756:Sheep; D012757:Sheep Diseases / Q000382:microbiology*