title: An attempt to induce scrapie in local sheep in Bulgaria.
mesh_terms: D000818:Animals; D001921:Brain / Q000473:pathology; D002031:Bulgaria; D005260:Female; D007109:Immunity; D008297:Male; D012608:Scrapie / Q000276:immunology* / Q000473:pathology; D012756:Sheep; D013045:Species Specificity