Rodrigues, S.C. and Bianchini, A. 2007. Extraction and Concentration of Freshwater – and Seawater – Derived Dissolved Organic Matter for Use in Aquatic Toxicology Studies. Ecotoxicology and Environmental Contamination. 2, 3 (Oct. 2007), 275–281. DOI:https://doi.org/10.5132/jbse.2007.03.011.