Pusceddu, F. H., Alegre, G. F., Pereira, C. D. S., & Cesar, A. (2007). Toxicity Evaluation of Sediments From Santos Estuarine System Employing Sea-urchin Lytechinus variegatus (Echinoidea: Echinodermata). Ecotoxicology and Environmental Contamination, 2(3), 237–242. https://doi.org/10.5132/jbse.2007.03.005