1.
N Engl J Med
; 383(27): e148, 2020 12 31.
Article
in English
| MEDLINE | ID: covidwho-1057736
2.
JAMA Intern Med
; 181(5): 714-717, 2021 May 01.
Article
in English
| MEDLINE | ID: covidwho-1031950