RT Journal Article SR Electronic T1 Oxygen provision to fight COVID-19 in sub-Saharan Africa JF BMJ Global Health JO BMJ Global Health FD BMJ Publishing Group Ltd SP e002786 DO 10.1136/bmjgh-2020-002786 VO 5 IS 6 A1 Felix Stein A1 Meghan Perry A1 Geoffrey Banda A1 Mark Woolhouse A1 Francisca Mutapi YR 2020 UL http://gh.bmj.com/content/5/6/e002786.abstract AB