@article{yuan_xu_li_li_chen_feng_zeng_2016,  title={Prognostic value of cystatin C in patients with nasopharyngeal carcinoma: a retrospective study of 1063 patients},  volume={71},  ISSN={1807-5932},  url={https://doi.org/10.6061/clinics/2016(06)09},  DOI={10.6061/clinics/2016(06)09},  number={6},  journal={Clinics},  publisher={Faculdade de Medicina / USP},  author={Yuan, Jing and Xu, Miao and Li, Jing and Li, Ning and Chen, Li-Zhen and Feng, Qi-Sheng and Zeng, Yi-Xin},  year={2016},  month={Jun},  pages={338–343} }