Al-Shamali, Y., Ali, Y., Al-Shamali, R., Al-Melahi, M., Al-Shammari, F., Alsaber, A. & Al-Adsani, W. 2021, 'Don't close the book on tocilizumab for the treatment of severe COVID-19 pneumonia - the jury is still out. The Kuwait experience', PLoS ONE, 16(8), article no: e0254379. https://doi.org/10.1371/journal.pone.0254379