1. Statistiske metoder til vurderng of spildevands toksisitet;Andersen,1994
2. Mutagenicity of metronidazole;Andersen;Arch. Pharim. Chemi. Sci. Ed.,1982
3. The Mack Index. An Encyclopedia of Chemicals, Drugs, and Biologicals,1996
4. Urinary excretion of mutagenic forms of metronidazole and time related compounds as detected by HPLC;Cantelli Forti;Drugs under experimental and clinical research,1984