WHO O2CoV2: oxygen requirements and respiratory support in patients with COVID-19 in low-and-middle income countries-protocol for a multicountry, prospective, observational cohort study.
Pryanka RelanSrinivas MurthyJohn C MarshallDjillali AnnaneSylvie ChevretYaseen M ArabiWangari Waweru-SiikaSara Dominguez RodriguezPauline ConvocarJanet Diaznull nullnull nullPublished in: BMJ open (2023)
NCT04918875.