Improvement of embryo quality by the replacement of the last two doses of porcine follicle-stimulating hormone by equine chorionic gonadotropin in superstimulated sindi donors - Mattos, M. C. C; Bastos, M. R; Guardieiro, Monique Mendes; Carvalho, J. O; Mourão, Gerson Barreto; Barros, C. M; Sartori Filho, Roberto (Reproduction, Fertility and Development, 2009)