Murase , H., Scoggin , K. and Ball , B. (2019) “Maternal serum and allantoic fluid concentrations of activin A in experimentally induced equine placentitis”, Clinical Theriogenology, 11(3), p. 457. Available at: https://clinicaltheriogenology.net/index.php/CT/article/view/10218 (Accessed: 30March2026).