TY - SER AU - Queiroz-Neto,A. AU - Carregaro,A.B. AU - Zamur,G. AU - Harkins,J.D. AU - Tobin,T. AU - Mataqueiro,M.I. AU - Goncalves,S.C. TI - Effect of amitraz and xylazine on some physiological variables of horses KW - Cavalo KW - Raca KW - Medicamento KW - Injecao KW - Veterinaria ER -