Effectiveness and safety of intravenous tocilizumab to treat COVID-19-associated hyperinflammatory syndrome: Covizumab-6 observational cohort

Hèctor Corominas, I. Castellví, Virginia Pomar, Rosa Antonijoan, Isabel Mur, Laia Matas, Ignasi Gich, Natividad de Benito, A. Laíz, Diego Castillo, Laura Villamarín, David Filella, Ana Milena Millán, María Ángeles Quijada, Mireia Puig, Jordi Casademont, Peré Domingo