ARRUDA, R. P. de; VISINTIN, J. A.; FLEURY, J. J.; GARCIA, A. R.; MADUREIRA, E. H.; CELEGHINI, E. C. C.; NEVES NETO, J. R. Are there relationships between the luteal size, luteal morphoechogenicity by ultrasound and plasmatical progesterone concentrations in recipient mares?. Brazilian Journal of Veterinary Research and Animal Science, [S. l.], v. 38, n. 5, p. 233-239, 2001. DOI: 10.1590/S1413-95962001000500007. Disponível em: https://www.revistas.usp.br/bjvras/article/view/5877. Acesso em: 2 oct. 2022.