Inhibition of epithelial mesenchymal transition in response to TGF-beta 1 silencing associated with metformin in canine mammary tumor cell line - Leonel, C. [UNESP]; Ferraz Borin, T.; Gobbe Moschetta, M.; Chaim Bajgelman, M.; Aparecida Pires de Campos Zuccari, D. (Elsevier B.V., 2015)