da Silva, Helen K., Laerte D. Cassoli, José C. F. Pantoja, Pedro H. R. Cerqueira, Tatiane B. Coitinho, and Paulo F. Machado. “Short Communication: Bovine Milk Sampling Efficiency for Pregnancy-Associated Glycoproteins (PAG) Detection Test”. Spanish Journal of Agricultural Research 14, no. 4 (January 20, 2017): e04SC01. Accessed May 4, 2025. https://sjar.revistas.csic.es/index.php/sjar/article/view/9923.