Summa, M.E.L. et al. 1990. Breeding performance of Wistar rats bred in two systems at the conventional Animal House of the Faculdade de Medicina-USP. Brazilian Journal of Veterinary Research and Animal Science. 27, 2 (Dec. 1990), 255–258. DOI:https://doi.org/10.11606/issn.0000-0000.272255-258.