Cruz, Fabiano Buss, et al. “Bos Taurus and Bos Indicus Folicular Aspiration and Oocytes Vitrification at Field Conditions”. Revista De Ciências Agroveterinárias, vol. 8, no. 2, Oct. 2009, pp. 184-7, https://revistas.udesc.br/index.php/agroveterinaria/article/view/5328.