Doxycycline vs Hydroxychloroquine + Azithromycin in the Management of COVID-19 Patients: An Open-Label Randomized Clinical Trial in Sub-Saharan Africa (DOXYCOV)
Sobngwi et al., Cureus, doi:10.7759/cureus.45619 (preprint 7/29/2021)
https://c19hcq.org/sobngwi.html