@article{modro_silva_luz_message_2009,  title={Analysis of pollen load based on color, physicochemical composition and botanical source},  volume={81},  ISSN={0001-3765},  url={https://doi.org/10.1590/S0001-37652009000200014},  DOI={10.1590/S0001-37652009000200014},  number={2},  journal={Anais da Academia Brasileira de Ciências},  publisher={Academia Brasileira de Ciências},  author={Modro, Anna F.H. and Silva, Izabel C. and Luz, Cynthia F.P. and Message, Dejair},  year={2009},  month={Jun},  pages={281–285} }