@article{calixto_2019, title={The role of natural products in modern drug discovery.}, volume={91}, ISSN={0001-3765}, url={https://doi.org/10.1590/0001-3765201920190105}, DOI={10.1590/0001-3765201920190105}, journal={Anais da Academia Brasileira de Ciências}, publisher={Academia Brasileira de Ciências}, author={CALIXTO, JOÃO B.}, year={2019}, pages={e20190105} }