@article{tirmizi_wattoo_mazhar_wattoo_memon_iqbal_2007,  title={Analytical investigation of chromium and zinc in sweet, sour and bitter tasting fruits, vegetables and medicinal plants},  volume={30},  ISSN={0100-4042},  url={https://doi.org/10.1590/S0100-40422007000700014},  DOI={10.1590/S0100-40422007000700014},  number={7},  journal={Química Nova},  publisher={Sociedade Brasileira de Química},  author={Tirmizi, Syed Ahmad and Wattoo, Muhammad Hamid Sarwar and Mazhar, Muhammad and Wattoo, Feroza Hamid and Memon, Allah Nawaz and Iqbal, Javed},  year={2007},  pages={1573–1577} }