@article{karim-nezhad_ahmadi_zare-dizajdizi_2011,  title={Background corrected dispersive liquid-liquid microextraction of cadmium combined with flame atomic absorption spectrometry},  volume={22},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532011000900026},  DOI={10.1590/S0103-50532011000900026},  number={9},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Karim-Nezhad, Ghasem and Ahmadi, Mohammad and Zare-Dizajdizi, Behruz},  year={2011},  month={Sep},  pages={1816–1822} }