title: Virulence and immunogenicity of cultured Theileria annulata schizonts.
mesh_terms: D000818:Animals; D016782:Apicomplexa / Q000276:immunology* / Q000472:pathogenicity; D002417:Cattle / Q000276:immunology*; D002478:Cells, Cultured; D013801:Theileriasis / Q000276:immunology* / Q000469:parasitology*; D014613:Vaccines, Attenuated / Q000276:immunology; D014774:Virulence
chemical_list: D014613:Vaccines, Attenuated