Carson, C A Cell-mediated immunity related to challenge exposure of cattle inoculated with virulent and attenuated strains of Anaplasma marginale. [electronic resource] - American journal of veterinary research Aug 1977 - 1167-72 p. digital Publication Type: Journal Article ISSN: 0002-9645 Subjects--Topical Terms: Anaplasma--immunologyAnaplasmosis--immunologyAnimalsBlood--microbiologyCattleCattle Diseases--immunologyCell Migration InhibitionFemaleImmunity, CellularLeukocytes--immunologyVaccination--veterinaryVirulence