https://dc.claremont.org/content/uploads/2022/09/Provocations-4-Holloway-Final.pdf
https://www.thelancet.com/action/showPdf?pii=S1473-3099%2820%2930144-4
https://publications.europa.eu/en/publication-detail/-/publication/506ecd7a-d51d-40cc-82f2-c8403ab57150
https://www.nuffieldtrust.org.uk/files/2020-03/achieving-scale-and-spread-report-final.pdf