Ribeiro, M. G.; Salerno, T.; Mattos-Guaraldi, A. L. de; Camello, T. C. F.; Langoni, H.; Siqueira, A. K.; Paes, A. C.; Fernandes, M. C.; Lara, G. H. B. Nocardiosis: An Overview and Additional Report of 28 Cases in Cattle and Dogs . Rev. Inst. Med. Trop. São Paulo 2008, 50 (3), 177-185.