@article{christo_silva_2002,  title={A Portuguese version of the Christo Inventory for Substance-Misuse Services: a simple outcome evaluation tool},  volume={35},  ISSN={0100-879X},  url={https://doi.org/10.1590/S0100-879X2002001000001},  DOI={10.1590/S0100-879X2002001000001},  number={10},  journal={Brazilian Journal of Medical and Biological Research},  publisher={Associação Brasileira de Divulgação Científica},  author={Christo, G. and Silva, V.A.},  year={2002},  month={Oct},  pages={1111–1117} }