TY - SER AU - Guimarães,A. AU - Raimundo,J.M. AU - Moraes,L.M.B. AU - Silva,A.T. AU - Santos,H.A. AU - Pires,M.S. AU - Machado,R.Z. AU - Baldani,C.D. TI - Occurrences of anti-Toxoplasma gondii and ainti-Neospora caninum antibodies in sheep from four districts of Tocantins state, brazilian legal Amazon region KW - OVELHA KW - TOXOPLASMOSE KW - NEOSPOROSE KW - DOENÇA ANIMAL ER -