title: Letter: Transmission of sarcosporidiosis from dogs to sheep maintained specific pathogen free.
mesh_terms: D000818:Animals; D004283:Dog Diseases / Q000635:transmission*; D004285:Dogs; D005856:Germ-Free Life; D012523:Sarcocystosis / Q000635:transmission / Q000662:veterinary*; D012756:Sheep; D012757:Sheep Diseases / Q000635:transmission*; D013047:Specific Pathogen-Free Organisms