R. Frandoloso, “PREVALENCE OF ENZOOTIC BOVINE LEUKOSIS, BOVINE VIRAL DIARRHEA, INFECTIOUS BOVINE RHINOTRACHEITIS AND BOVINE NEOSPOROSIS IN 26 DAIRY CATTLE FARMS FROM THE NORTHEAST REGION OF RIO GRANDE DO SUL , BRAZIL”, Ciênc. anim. bras., vol. 9, no. 4, pp. 1102–1106, Dec. 2008.