Corte Junior, A.O. et al. 2012. Seasonal differences in endocrine and ovarian patterns of Bos taurus indicus (Nelore) heifers estrous cycles. Brazilian Journal of Veterinary Research and Animal Science. 49, 1 (Feb. 2012), 46–56. DOI:https://doi.org/10.11606/issn.2318-3659.v49i1p46-56.