Lisboa, L. A., Andrade, E. R., Esper, C. R. e Seneda, M. M. (2011) “Ultrastructural analysis of bovine oocytes from ovarian follicles with different diameters”, Semina: Ciências Agrárias, 32(4), p. 1575–1582. doi: 10.5433/1679-0359.2011v32n4p1575.