TY - SER AU - Costa,A.J. AU - Marques,L.C. AU - Rocha,U.F. AU - Ishizuka,M.M. AU - Vidotto,O. AU - Ikeda,A. TI - Toxoplasmosis frequency in equines from the north region of Sao Paulo state, Brazil KW - EQUINO KW - TOXOPLASMOSE KW - SAO PAULO ER -