van Kraaij, T., Mostard, R., Ramiro, S., Magro Checa, C., van Dongen, C., van Haren, E. H., Buijs, J., & Landewé, R. (2020). Tocilizumab in Severe COVID-19 Pneumonia and Concomitant Cytokine Release Syndrome. European Journal of Case Reports in Internal Medicine, 7(5). https://doi.org/10.12890/2020_001675