@article{calixto_2000, title={Efficacy, safety, quality control, marketing and regulatory guidelines for herbal medicines (phytotherapeutic agents)}, volume={33}, ISSN={0100-879X}, url={https://doi.org/10.1590/S0100-879X2000000200004}, DOI={10.1590/S0100-879X2000000200004}, number={2}, journal={Brazilian Journal of Medical and Biological Research}, publisher={Associação Brasileira de Divulgação Científica}, author={Calixto, J.B.}, year={2000}, month={Feb}, pages={179–189} }