@article{barth_freitas_oliveira_silva_maester_andrella_cardozo_2010,  title={Evaluation of the botanical origin of commercial dry bee pollen load batches using pollen analysis: a proposal for technical standardization},  volume={82},  ISSN={0001-3765},  url={https://doi.org/10.1590/S0001-37652010000400011},  DOI={10.1590/S0001-37652010000400011},  number={4},  journal={Anais da Academia Brasileira de Ciências},  publisher={Academia Brasileira de Ciências},  author={Barth, Ortrud M. and Freitas, Alex S. and Oliveira, Érika S. and Silva, Rosana A. and Maester, Fernanda M. and Andrella, Raquel R.S. and Cardozo, Gina M.B.Q.},  year={2010},  month={Dec},  pages={893–902} }