@article{freese_signor_machado_ferigolo_barros_2012,  title={Non-medical use of methylphenidate: a review},  volume={34},  ISSN={2237-6089},  url={https://doi.org/10.1590/S2237-60892012000200010},  DOI={10.1590/S2237-60892012000200010},  number={2},  journal={Trends in Psychiatry and Psychotherapy},  publisher={Associação de Psiquiatria do Rio Grande do Sul},  author={Freese, Luana and Signor, Luciana and Machado, Cassio and Ferigolo, Maristela and Barros, Helena Maria Tannhauser},  year={2012},  pages={110–115} }