@article{serra-pinheiro_mattos_souza_pastura_gomes_2004,  title={The effect of methylphenidate on oppositional defiant disorder comorbid with attention deficit/hyperactivity disorder},  volume={62},  ISSN={0004-282X},  url={https://doi.org/10.1590/S0004-282X2004000300005},  DOI={10.1590/S0004-282X2004000300005},  number={2b},  journal={Arquivos de Neuro-Psiquiatria},  publisher={Academia Brasileira de Neurologia - ABNEURO},  author={Serra-Pinheiro, Maria Antonia and Mattos, Paulo and Souza, Isabella and Pastura, Giuseppe and Gomes, Fernanda},  year={2004},  month={Jun},  pages={399–402} }