 @article{melo_castro_ponce-de-leon_pereira_2004,  title={Use of selective media for detection of cephalothin-resistant bacteria in surgical patients},  volume={8},  ISSN={1413-8670},  url={https://doi.org/10.1590/S1413-86702004000300001},  DOI={10.1590/S1413-86702004000300001},  number={3},  journal={Brazilian Journal of Infectious Diseases},  publisher={Brazilian Society of Infectious Diseases},  author={Melo, Sérgio A.C. and Castro, Eduardo A.R. and Ponce-de-Leon, Antônio C. and Pereira, José A.A.},  year={2004},  month={Jun},  pages={190–196} }