MAGALHÃES, D.; ARAUJO, V.; VERDE, I.; MATOS, M.; SILVA, R.; LUCCI, C.; BÁO, S.; CAMPELLO, C.; FIGUEIREDO, J. Different Follicle-Stimulating Hormone (FSH) sources influence caprine preantral follicle viability and development in vitro. Brazilian Journal of Veterinary Research and Animal Science, v. 46, n. 5, p. 378-386, 1 out. 2009.