TY - SER AU - Portela,V.M. AU - Farias,A.M. AU - Moraes,J.C.F. AU - Gonçalves,B.D. AU - Veiga,A.P.M. AU - Oliveira,J.F. TI - Effect of medroxy-progesterone acetate on follicular growth and endometrial cycloxygenase-2 (COX-2)expression during the bovine estrous cycle KW - GADO DE CORTE KW - PROGESTERONA KW - ESTRADIOL KW - INIBIDOR DE CRESCIMENTO KW - CICLO ESTRAL ER -