https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(20)31022-9/fulltext
https://marlin-prod.literatumonline.com/pb-assets/Lancet/pdfs/S0140673620310229.pdf
https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(20)31022-9/fulltext
https://marlin-prod.literatumonline.com/pb-assets/Lancet/pdfs/S0140673620310229.pdf