@article{araújo_silva_galvão_ferreira_araújo_randau_soares_2013,  title={Total phytosterol content in drug materials and extracts from roots of <i>Acanthospermum hispidum</i> by UV-VIS spectrophotometry},  volume={23},  ISSN={0102-695X},  url={https://doi.org/10.1590/S0102-695X2013000500004},  DOI={10.1590/S0102-695X2013000500004},  number={5},  journal={Revista Brasileira de Farmacognosia},  publisher={Sociedade Brasileira de Farmacognosia},  author={Araújo, Larissa B. D. C. and Silva, Sarah L. and Galvão, Marcos A. M. and Ferreira, Magda R. A. and Araújo, Evani L. and Randau, Karina P. and Soares, Luiz A. L.},  year={2013},  month={Sep},  pages={736–742} }