TY - SER AU - Oliveira-Serqueira,T.C.G. AU - Amarante,A.F.T. AU - Sequeira,J.L. TI - Parasitological characteristics and tissue response in the abomasum of sheep infected with Haemonchus spp KW - Ovino KW - Nematoide KW - Globulo Branco KW - Abomaso KW - Veterinaria ER -