Batissaco, L., Celeghini, E. C. C., Pinaffi, F. L. V., Oliveira, B. M. M. de, Andrade, A. F. C. de, Recalde, E. C. S. and Fernandes, C. B. (2013) “Correlations between testicular hemodynamic and sperm characteristics in rams”, Brazilian Journal of Veterinary Research and Animal Science, 50(5), pp. 384-395. doi: 10.11606/issn.2318-3659.v50i5p384-395.