@article{1983,  title={THE CHEMICAL COMPOSITION OF AMAZONIAN PLANTS},  volume={13},  ISSN={0044-5967},  url={https://doi.org/10.1590/1809-43921983131141},  DOI={10.1590/1809-43921983131141},  number={1},  journal={Acta Amazonica},  publisher={Instituto Nacional de Pesquisas da Amazônia},  year={1983},  month={Feb},  pages={141–142} }