Correspondence on 'Historically controlled comparison of glucocorticoids with or without tocilizumab versus supportive care only in patients with COVID-19-associated cytokine storm syndrome: results of the CHIC study'.
Enrique Calvo-ArandaIrene Cañamares-OrbisMarta Novella NavarroAlvaro Martínez-Alcalá GarcíaMaria Del Carmen Ortega de la OIsmael Escobar RodríguezFernando Manuel Sanchez-ArandaPublished in: Annals of the rheumatic diseases (2020)