@article{paiva_lima_figueiredo_kaplan_2011,  title={Chemical composition fluctuations in roots of Plumbago scandens L. in relation to floral development},  volume={83},  ISSN={0001-3765},  url={https://doi.org/10.1590/S0001-37652011000400004},  DOI={10.1590/S0001-37652011000400004},  number={4},  journal={Anais da Academia Brasileira de Ciências},  publisher={Academia Brasileira de Ciências},  author={Paiva, Selma R. and Lima, Lucilene A. and Figueiredo, Maria Raquel and Kaplan, Maria Auxiliadora C.},  year={2011},  month={Dec},  pages={1165–1170} }