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 Relan, Srinivas Murthy, John C Marshall, Djillali Annane, Sylvie Chevret, Yaseen M Arabi, Wangari Waweru-Siika, Sara Dominguez Rodriguez, Pauline Convocar, Janet Diaz, World Health Organization Respiratory Support Research Group
BMJ Open Aug 2023, 13 (8) e071346; DOI: 10.1136/bmjopen-2022-071346