@article{1971,  title={The Chemical Composition of Amazonian Plants<sup>(</sup><sup>)</sup>},  volume={1},  ISSN={0044-5967},  url={https://doi.org/10.1590/1809-43921971011083},  DOI={10.1590/1809-43921971011083},  number={1},  journal={Acta Amazonica},  publisher={Instituto Nacional de Pesquisas da Amazônia},  year={1971},  month={Apr},  pages={83–86} }