Brenes-Alfaro, L., 		González-Zúñiga, M., 		García-Fallas, J., 		Ramírez-Morales, D., & 		Rodríguez-Rodríguez, C.
2026 oct 15.  An approach to pharmaceuticals as emerging contaminants in livestock production in three cantons of Costa Rica. CIENCIA ergo-sum. [En línea] 33: