Naderi et al., Immunopathologia Persa,
doi:10.34172/ipp.2021.29 (Preprint)
Prophylactic effects of hydroxychloroquine on the incidence of COVID-19 in patients with rheumatic arthritis: an observational cohort study
Prospective observational study of 215 RA patients treated with HCQ showing 9 cases, 1 hospitalization (without ICU/intubation), and no mortality.
Naderi et al., 1/31/2021, preprint, 7 authors.