@article{celeghini_vilegas_lanças_2001,  title={Extraction and Quantitative HPLC Analysis of Coumarin in Hydroalcoholic Extracts of Mikania glomerata Spreng: ("guaco") Leaves},  volume={12},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532001000600003},  DOI={10.1590/S0103-50532001000600003},  number={6},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Celeghini, Renata M. S. and Vilegas, Janete H. Y. and Lanças, Fernando M.},  year={2001},  month={Nov},  pages={706–709} }