THE LANCET

8 MAY 2021

https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(21)01052-7/fulltext?dgcid=raven_jbs_etoc_email

1 MAY 2021

https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(21)00993-4/fulltext