1.
Visintin JA, Arruda RP de, Madureira EH, et al. Superovulation of Nelore heifers with different FSH/LH doses and embryo freezing by one-step method with ethylene-glycol. Braz. J. Vet. Res. Anim. Sci. 1999;36(5):267-272. doi:10.1590/S1413-95961999000500009