@article{angenot_1988,  title={Why further investigation of brazilian Strychnos?},  volume={18},  ISSN={0044-5967},  url={https://doi.org/10.1590/1809-43921988185254},  DOI={10.1590/1809-43921988185254},  journal={Acta Amazonica},  publisher={Instituto Nacional de Pesquisas da Amazônia},  author={Angenot, L.},  year={1988},  pages={241–254} }