@article{cunha_sawaya_caetano_shimizu_marcucci_drezza_povia_carvalho_2004,  title={Factors that influence the yield and composition of Brazilian propolis extracts},  volume={15},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532004000600026},  DOI={10.1590/S0103-50532004000600026},  number={6},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Cunha, Ildenize B. S. and Sawaya, Alexandra C. H. F. and Caetano, Fabio M. and Shimizu, Mario T. and Marcucci, Maria C. and Drezza, Flavia T. and Povia, Giovanna S. and Carvalho, Patricia de O.},  year={2004},  month={Nov},  pages={964–970} }