1. Eintrag von Arzneimitteln und deren Verhalten und Verbleib in der Umwelt, Literaturstudie Fachbericht 2, Landesamt für Natur, Umwelt und Verbraucherschutz Nordrhein-Westfalen, Recklinghausen, 2007. Available from: http://www.lanuv.nrw.de/veroeffentlichungen/fachberichte/fabe2/lanuvfabe2.pdf.
2. L.B. Christiansen, M. Winther-Nielsen, C. Helwig, Feminisation of fish. The effect of estrogenic compounds and their fate in sewage treatment plants and nature, Danish Environmental Protection Agency, 2002. Available from: http://www.mst.dk/udgiv/publications/2002/87-7972-305-5/html/default_eng.htm.
3. ENVIRPHARMA, B. Ferrari, J. Garric, N. Paxéus, A. Pollio, Ecotoxicity of 6 pharmaceuticals found in effluents of Sewage treatment plants and surface water in Europe, Lyon, France, 14–16 April 2003.
4. POSEIDON, Assessment of technologies for the removal of pharmaceuticals and personal careproducts in sawage and drinking water facilities to improve the indirect portable water reuse: detailed report, 2005. Available from: http://poseidon.bafg.de/servlet/is/2888/.
5. KNAPPE, Ch.G. Daughton, I.S. Ruhoy, Knowledge and need assessment on pharmaceutical products in environmental waters, 2008. Available from: http://www.knappe-eu.org.