TY - SER AU - Alves,R.C.C. AU - Batista,T.L. AU - Laufer-Amorim,R. AU - Elias,F. AU - Calazans,S.G. AU - Fonseca-Alves,C.E. TI - Clinicopathological and immunohistochemical evaluation of oesophageal leiomyosarcoma in a dog KW - CÃO KW - DOENÇA ANIMAL KW - NEOPLASIA KW - VETERINÁRIA ER -