title: Natural transmission of bovine leukemia virus among cattle.
mesh_terms: D000818:Animals; D000914:Antibodies, Viral / Q000276:immunology*; D002417:Cattle; D003140:Communicable Disease Control; D004197:Disease Reservoirs / Q000276:immunology*; D004199:Disease Vectors / Q000302:isolation & purification; D001909:Leukemia Virus, Bovine / Q000276:immunology*; D007942:Leukemia, Experimental / Q000276:immunology* / Q000517:prevention & control; D012190:Retroviridae / Q000276:immunology*
chemical_list: D000914:Antibodies, Viral