@article{moreira_fernandes_ribeiro_franco neto_2015,  title={A review of Brazilian scientific output on crack - contributions to the political agenda},  volume={20},  ISSN={1413-8123},  url={https://doi.org/10.1590/1413-81232015204.03202014},  DOI={10.1590/1413-81232015204.03202014},  number={4},  journal={Ciência & Saúde Coletiva},  publisher={ABRASCO - Associação Brasileira de Saúde Coletiva},  author={Moreira, Marcelo Rasga and Fernandes, Fernando Manuel Bessa and Ribeiro, José Mendes and Franco Neto, Thereza de Lamare},  year={2015},  month={Apr},  pages={1047–1062} }