 @article{yang_deng_li_ren_liu_2021,  title={Meta-analysis of the relationship between interleukin-6 levels and the prognosis and severity of acute coronary syndrome},  volume={76},  ISSN={1807-5932},  url={https://doi.org/10.6061/clinics/2021/e2690},  DOI={10.6061/clinics/2021/e2690},  journal={Clinics},  publisher={Faculdade de Medicina / USP},  author={Yang, Chongzhe and Deng, Zhiyong and Li, Jie and Ren, Zhilei and Liu, Feng},  year={2021},  pages={e2690} }