@article{sodré_feitosa_jardim_maldaner_2018,  title={Wastewater-Based Epidemiology of Cocaine in the Brazilian Federal District: Spatial Distribution, Weekly Variation and Sample Preservation Strategies},  volume={29},  ISSN={0103-5053},  url={https://doi.org/10.21577/0103-5053.20180105},  DOI={10.21577/0103-5053.20180105},  number={11},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Sodré, Fernando F. and Feitosa, Rafael S. and Jardim, Wilson F. and Maldaner, Adriano O.},  year={2018},  month={Nov},  pages={2287–2298} }