The Lancet Respiratory MedicineVolume 8, Issue 10, October 2020, Pages 952-953CommentApples and oranges: international comparisons of COVID-19 observational studies in ICUsAuthor links open overlay panelJonathan E Millar a, Reinhard Busse b, John F Fraser c, Christian Karagiannidis d, Daniel F McAuley eShow moreShareCitehttps://doi.org/10.1016/S2213-2600(20)30368-4Get rights and contentPrevious article in issueNext article in issueRecommended articlesCited by (0)View Abstract© 2020 Elsevier Ltd. All rights reserved.