@article{lemos_david_santos_2006,  title={Synthesis and application of XAD-2/Me-BTAP resin for on-line solid phase extraction and determination of trace metals in biological samples by FAAS},  volume={17},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532006000700039},  DOI={10.1590/S0103-50532006000700039},  number={7},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Lemos, Valfredo Azevedo and David, Graciete Teixeira and Santos, Luana Novaes},  year={2006},  month={Nov},  pages={1452–1452} }