1. EC (Environment Canada). Biological test method: Tests for toxicity of contaminated soil to earthworms (Eisenia andrei, Eisenia fetida, or Lumbricus terrestris). 2004; Ottawa, Canada. EPS 1/RM/43.
2. ISO (International Organization for Standardization) Soil quality—Avoidance test for evaluating the quality of soils and the toxicity of chemicals. Test with Earthworms (Eisenia fetida/andrei). 2008; ISO 17512–1. Geneve, Switzerland.
3. OECD (Organization for Economic Co-operation and Development): Guidelines for the testing of chemicals No. 222. Earthworm Reproduction Test (Eisenia fetida / Eisenia andrei). 2004; Paris, France.
4. Cloning and real-time PCR testing of 14 potential biomarkers in Eisenia fetida following cadmium exposure;F Brulle;Environ Sci Technol,2006
5. cDNA cloning and expression analysis of Eisenia fetida (Annelida: Oligochaeta) phytochelatin synthase under cadmium exposure;F Brulle;Ecotoxicol Environ Saf,2008