Monteiro, C. M. R., Carvalhal, R., & Perri, S. H. V. (2003). Morphological analysis of ovaries of Nelore bovine fetuses (Bos primigenius indicus) at various gestation stages. Brazilian Journal of Veterinary Research and Animal Science, 40(6), 409-415. https://doi.org/10.1590/S1413-95962003000600004