@article{martins_estevam_santos_dias_cupertino-da-silva_araújo-júnior_miranda_barreiro_pizza_piacente_et al._2012,  title={Antinociceptive effects of an extract, fraction and an isolated compound of the stem bark of Maytenus rigida},  volume={22},  ISSN={0102-695X},  url={https://doi.org/10.1590/S0102-695X2012005000007},  DOI={10.1590/S0102-695X2012005000007},  number={3},  journal={Revista Brasileira de Farmacognosia},  publisher={Sociedade Brasileira de Farmacognosia},  author={Martins, Marina V. and Estevam, Charles dos S. and Santos, André L. L. M. and Dias, Antonio S. and Cupertino-da-Silva, Yolanda K. and Araújo-Júnior, João X. and Miranda, Ana Luisa P. and Barreiro, Eliezer J. and Pizza, Cosimo and Piacente, Sonia and Montoro, Paola and Quintans-Júnior, Lucindo J. and Araujo, Brancilene S. and Alexandre-Moreira, Magna S. and Sant'Ana, Antônio E.G.},  year={2012},  month={May},  pages={598–603} }