Barros, G. S., Angelis, D. F., Furlan, L. T. and Corrêa-Junior, B. (2006) “Use of Freshwater Planarians Dugesia (Girardia) tigrina Testing Toxicity of a Petroleum Refinery Wastewater”, Ecotoxicology and Environmental Contamination, 1(1), pp. 67–70. doi: 10.5132/jbse.2006.01.014.