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The sewage epidemiology approach was applied to a one-year sampling campaign in the largest wastewater treatment plant (WWTP) in Belgium to estimate the consumption of illicit drugs (e.g. cocaine). This manuscript shows that sewage epidemiology provides consistent and logical results and that it is a promising tool that can be used in addition to classical studies to estimate illicit drug use in populations.
VAN NUIJS, A. L.N. et al. (2011): Sewage Epidemiology — A real-time Approach to estimate the Consumption of illicit Drugs in Brussels, Belgium. In: Environment International: Volume 37 , 612-621. URL [Accessed: 02.08.2018]