Porres-Camacho, Andrea, Carlos Jiménez-Sánchez, Kinndle Blanco-Peña, Alexander Madrigal-Mora, and Carolina Sancho-Blanco. 2026. “Viral Epidemiological Surveillance in the Otters (Lontra Longicaudis) of the Peñas Blancas River Basin, Costa Rica”. UNED Research Journal 18 (1):e6302. https://doi.org/10.22458/urj.v18i1.6302.