Ulloa, Fernando, Marcela Villegas, Carlos Tejeda-C., y Miguel Salgado. «Experimental Assessment of the Efficacy of Copper Ion Treatment Against Penicillin G Contained in UHT Milk and PBS». Austral Journal of Veterinary Sciences 56, no. 1 (enero 30, 2024): 55–58. Accedido diciembre 18, 2025. http://146.83.217.169/index.php/australjvs/article/view/7425.