HAMMOND, D M RESPONSE OF IMMUNIZED AND NONIMMUNIZED CALVES TO CECAL INOCULATION OF FIRST-GENERATION MEROZOITES OF EIMERIA BOVIS. [electronic resource] - The Journal of parasitology Apr 1964 - 209-13 p. digital Publication Type: Journal Article ISSN: 0022-3395 Subjects--Topical Terms: AnimalsBiopsyCattleCecumCoccidiosisEimeriaImmunityImmunizationMerozoitesPathologyResearchVaccination