Reis, A., Metelo, R., Santos, P., & Silva, F. M. da. (2006). Effect of ovarian structure and bovine’s age on amount and quality of oocytes and in vitro embryo production. Brazilian Journal of Veterinary Research and Animal Science, 43(5), 629-636. https://doi.org/10.11606/issn.1678-4456.bjvras.2006.26571