@article{li_wang_wang_wang_2016,  title={Pleural effusion adenosine deaminase: a candidate biomarker to discriminate between Gram-negative and Gram-positive bacterial infections of the pleural space},  volume={71},  ISSN={1807-5932},  url={https://doi.org/10.6061/clinics/2016(05)05},  DOI={10.6061/clinics/2016(05)05},  number={5},  journal={Clinics},  publisher={Faculdade de Medicina / USP},  author={Li, Ruolin and Wang, Junli and Wang, Xinfeng and Wang, Maoshui},  year={2016},  month={May},  pages={271–275} }