[1]
A. C. Basso and C. R. Esper, “Isolation and ultrastructural characterization of preantral follicles in the Nelore breed cows (Bos taurus indicus)”, Braz. J. Vet. Res. Anim. Sci., vol. 39, no. 6, pp. 311–319, Jan. 2002, doi: 10.1590/S1413-95962002000600007.