title: Babesia major: protection of intact calves against homologous challenge by the injection of irradiated piroplasms.
mesh_terms: D000818:Animals; D000906:Antibodies / Q000032:analysis; D001403:Babesia / Q000276:immunology* / Q000528:radiation effects; D001404:Babesiosis / Q000276:immunology*; D001769:Blood / Q000382:microbiology; D002417:Cattle; D002418:Cattle Diseases / Q000276:immunology*; D005720:Gamma Rays; D014612:Vaccines
chemical_list: D000906:Antibodies; D014612:Vaccines