Real-World Effectiveness of hydroxychloroquine, azithromycin, and ivermectin among hospitalized COVID-19 patients: Results of a target trial emulation using observational data from a nationwide Healthcare System in Peru
Soto-Becerra et al., medRxiv, doi:10.1101/2020.10.06.20208066
https://c19ivm.org/sotobecerrai.html