@article{202204.0154, doi = {10.20944/preprints202204.0154.v1}, url = {https://doi.org/10.20944/preprints202204.0154.v1}, year = 2022, month = {April}, publisher = {Preprints}, author = {James Hall and Maha Salama}, title = {Survival Benefit of Tocilizumab in COVID may be Greater in Patients with Higher Measured Interleukin 6 Levels}, journal = {Preprints} }