Broadbent Alexander, Walker Damian, Chalkidou Kalipso, Sullivan Richard, Glassman Amanda
Institute for the Future of Knowledge, University of Johannesburg, Johannesburg, South Africa.
Center for Global Development, Washington, DC 20036, USA.
Lancet. 2020 Jul 4;396(10243):21-22. doi: 10.1016/S0140-6736(20)31422-7. Epub 2020 Jun 19.