@article{pratta_santos_2007,  title={Adolescence and the consumption of psychoactive substances: the impact of the socioeconomic status},  volume={15},  ISSN={0104-1169},  url={https://doi.org/10.1590/S0104-11692007000700015},  DOI={10.1590/S0104-11692007000700015},  number={spe},  journal={Revista Latino-Americana de Enfermagem},  publisher={Escola de Enfermagem de Ribeirão Preto / Universidade de São Paulo},  author={Pratta, Elisângela Maria Machado and Santos, Manoel Antônio dos},  year={2007},  month={Sep},  pages={806–811} }