Rodrigues, Alexandra Soares, et al. “Fertility of Nellore Females After a fixed‑time Artificial Insemination According to Antral Follicle Count”. Pesquisa Agropecuaria Brasileira, vol. 48, no. 7, Oct. 2013, pp. 801-4, doi:10.1590/S1678-3921.pab2013.v48.15485.