@article{malca garcia_hennig_sieler_bussmann_2015,  title={Constituents of <i>Corynaea crassa</i> "Peruvian
                    Viagra"},  volume={25},  ISSN={0102-695X},  url={https://doi.org/10.1016/j.bjp.2015.02.007},  DOI={10.1016/j.bjp.2015.02.007},  number={2},  journal={Revista Brasileira de Farmacognosia},  publisher={Sociedade Brasileira de Farmacognosia},  author={Malca Garcia, Gonzalo R. and Hennig, Lothar and Sieler, Joachim and Bussmann, Rainer W.},  year={2015},  month={Mar},  pages={92–97} }