@article{freitas-lima_ferreira_bertucci_alexandre júnior_dreossi_pereira_sakamoto_queiroz_2015,  title={Stir bar-sorptive extraction, solid phase extraction and liquid-liquid extraction for levetiracetam determination in human plasma: comparing recovery rates},  volume={51},  ISSN={1984-8250},  url={https://doi.org/10.1590/S1984-82502015000200017},  DOI={10.1590/S1984-82502015000200017},  number={2},  journal={Brazilian Journal of Pharmaceutical Sciences},  publisher={Universidade de São Paulo, Faculdade de Ciências Farmacêuticas},  author={Freitas-Lima, Priscila and Ferreira, Flavia Isaura Santi and Bertucci, Carlo and Alexandre Júnior, Veriano and Dreossi, Sônia Aparecida Carvalho and Pereira, Leonardo Regis Leira and Sakamoto, Américo Ceiki and Queiroz, Regina Helena Costa},  year={2015},  month={Apr},  pages={393–401} }