@article{silva_flores_parisotto_müller_ferrão_2016,  title={Green method by diffuse reflectance infrared spectroscopy and spectral region selection for the quantification of sulphamethoxazole and trimethoprim in pharmaceutical formulations},  volume={88},  ISSN={0001-3765},  url={https://doi.org/10.1590/0001-3765201620150057},  DOI={10.1590/0001-3765201620150057},  number={1},  journal={Anais da Academia Brasileira de Ciências},  publisher={Academia Brasileira de Ciências},  author={Silva, Fabiana E.B. da and Flores, Érico M.M. and Parisotto, Graciele and Müller, Edson I. and Ferrão, Marco F.},  year={2016},  month={Mar},  pages={1–15} }