title: [Immunological studies of Babesia ovis strains isolated from various regions of Bulgaria].
mesh_terms: D000818:Animals; D001403:Babesia / Q000276:immunology* / Q000302:isolation & purification; D001404:Babesiosis / Q000276:immunology / Q000662:veterinary*; D002031:Bulgaria; D007114:Immunization; D012756:Sheep / Q000276:immunology; D012757:Sheep Diseases / Q000276:immunology
vernacular_title: Imunologichni prochvaniia na shtamove Babesia ovis, proizhozhdashti ot prazlichni oblasti