R. Boeck, R. S. Lopes, J. S. Fraga, S. Fernandez, and F. R. Spilki, “Histopathological and molecular diagnosis of Mycoplasma sp. infection in rats kept in a conventional animal facility”, Semina: Ciênc. Agrár., vol. 31, no. 4, pp. 1045–1050, Dec. 2010.