Bersano, J. G., F. B. N. Farinha, R. Macruz, and M. A. da S. C. Portugal. “Hermaphroditism in Pig: A Case Related”. Brazilian Journal of Veterinary Research and Animal Science, vol. 31, no. 3-4, Dec. 1994, pp. 267-72, doi:10.11606/issn.1678-4456.bjvras.1994.52076.