Loiola, M.V.G. et al. 2018. Oral progesterone supplementation for beef cattle after insemination in TAI programs. Pesquisa Agropecuaria Brasileira. 53, 1 (Feb. 2018), 105–112. DOI:https://doi.org/10.1590/S1678-3921.pab2018.v53.25056.