Bacelar, D. et al. 2010. Enhancement of oocytes obtainment in Nelore heifers (Bos taurus indicus) treated with progesterone injection and benzoate of estradiol. Semina: Ciências Agrárias. 31, 1 (Apr. 2010), 163–172. DOI:https://doi.org/10.5433/1679-0359.2010v31n1p163.