Rhodococcus (Corynebacterium) equi: a possible cause of reactions to the complement fixation test for Johne's disease of cattle.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000276:immunology*; D003168:Complement Fixation Tests / Q000662:veterinary*; D003352:Corynebacterium / Q000276:immunology*; D003354:Corynebacterium Infections / Q000276:immunology / Q000662:veterinary*; D005189:False Positive Reactions; D010283:Paratuberculosis / Q000276:immunology*