Dexamethasone for COVID-19: data needed from randomised clinical trials in Africa. Issue 9 (September 2020) - Brotherton, Helen; Usuf, Effua; Nadjm, Behzad; Forrest, Karen; Bojang, Kalifa; Samateh, Ahmadou Lamin; Bittaye, Mustapha; Roberts, Charles AP; d'Alessandro, Umberto; Roca, Anna