Machado, R., Bergamaschi, M. A. C. M., Barbosa, R. T., Madureira, E. H., Alencar, M. M. de, & Binelll, M. (2008). Service, conception and pregnancy rates of nelore cows treated with human corionic gonadotropin and estradiol-17² after timed artificial insemination. Brazilian Journal of Veterinary Research and Animal Science, 45(3), 221-230. https://doi.org/10.11606/issn.1678-4456.bjvras.2008.266700