Late treatment study
et al., J. Medical Internet Research, doi:10.2196/21758 (Peer Reviewed)
Efficacy of hydroxych loroquine and tocilizumab in patients with COVID-19: A single-center retrospective chart review
Retrospective 176 hospitalized patients (144 HC Q, 32 control) showing no significant differences with HC Q or TCZ. Confounding by indication.
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