Papoulias, D., O’Callaghan-Gordo, C., Lizárraga, P., Barclay, F., Okamoto, T., & Astete-Cornejo, J. (2026). Metal concentrations in fishes collected within Peru’s oldest and largest Petroleum Concession. Ecotoxicology and Environmental Contamination, 21(01), 35–47. https://doi.org/10.5132.eec.2026.01.04