Campos, J. T.; Morotti, F.; Costa, C. B.; Bergamo, L. Z.; Seneda, M. M. Evaluation of Pregnancy Rates of Bos Indicus Cows Subjected to Different Synchronization Ovulation Protocols Using Injectable Progesterone or an Intravaginal Device. Semina: Ciênc. Agrár. 2016, 37, 4149-4156.