A study of the immunological relationship of Anaplasma marginale and Anaplasma centrale.
D000709:Anaplasma / Q000276:immunology*; D000712:Anaplasmosis / Q000276:immunology / Q000662:veterinary*; D000818:Animals; D002353:Carrier State / Q000276:immunology / Q000662:veterinary; D002417:Cattle; D002418:Cattle Diseases / Q000276:immunology*; D013156:Splenectomy