Fisher Dale, Teo Yik Ying, Nabarro David
Yong Loo Lin School of Medicine, National University of Singapore, Singapore; Department of Medicine, National University Hospital, Singapore 119228.
Saw Swee Hock School of Public Health, National University of Singapore, Singapore.
Lancet. 2020 Sep 5;396(10252):653-655. doi: 10.1016/S0140-6736(20)31601-9. Epub 2020 Jul 15.