Ultrasonographic measurement of the equine fetal vitreous body length for predicting days to parturition in Pura Raza Española horses. Ciencias veterinarias, [S. l.], v. 37, n. 2, p. 1–10, 2019. DOI: 10.15359/rcv.37-2.1. Disponível em: https://www.revistas.una.ac.cr/index.php/veterinaria/article/view/12501.. Acesso em: 27 apr. 2025.