@article{al-qaim_abdullah_othman_latip_afiq_2014,  title={A validation method development for simultaneous LC-ESI-TOF/MS analysis of some pharmaceuticals in Tangkas river-Malaysia},  volume={25},  ISSN={0103-5053},  url={https://doi.org/10.5935/0103-5053.20130294},  DOI={10.5935/0103-5053.20130294},  number={2},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Al-Qaim, Fouad F. and Abdullah, Md P. and Othman, Mohamed R. and Latip, Jalifah and Afiq, Wan},  year={2014},  month={Feb},  pages={271–281} }