Fleury, João Junqueira, et al. “Factors Affecting the Embryo Recovery and Pregnancy Rates After Transcervical Transfer in Equines of the Mangalarga Breed”. Brazilian Journal of Veterinary Research and Animal Science, vol. 38, no. 1, Jan. 2001, pp. 29-33, https://doi.org/10.1590/S1413-95962001000100005.