@article{sousa_soares_mussel_pompeu_silva_vieira filho_duarte_2014,  title={Pentacyclic triterpenes from branches of Maytenus robusta and in vitro cytotoxic property against 4T1 cancer cells},  volume={25},  ISSN={0103-5053},  url={https://doi.org/10.5935/0103-5053.20140114},  DOI={10.5935/0103-5053.20140114},  number={8},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Sousa, Grasiely Faria de and Soares, Daniel Crístian Ferreira and Mussel, Wagner da Nova and Pompeu, Nana Flora Elias and Silva, Grácia Divina de Fátima and Vieira Filho, Sidney Augusto and Duarte, Lucienir Pains},  year={2014},  month={Aug},  pages={1338–1345} }